254609880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:143

約数の個数: 384

約数和(自身を含む): 975110400

約数和(自身を除く): 720500520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 43, 49, 53, 56, 57, 60, 70, 76, 84, 86, 95, 98, 105, 106, 114, 120, 129, 133, 140, 147, 152, 159, 168, 172, 190, 196, 210, 212, 215, 228, 245, 258, 265, 266, 280, 285, 294, 301, 318, 344, 371, 380, 392, 399, 420, 424, 430, 456, 490, 516, 530, 532, 570, 588, 602, 636, 645, 665, 735, 742, 760, 795, 798, 817, 840, 860, 903, 931, 980, 1007, 1032, 1060, 1064, 1113, 1140, 1176, 1204, 1272, 1290, 1330, 1470, 1484, 1505, 1590, 1596, 1634, 1720, 1806, 1855, 1862, 1960, 1995, 2014, 2107, 2120, 2226, 2279, 2280, 2408, 2451, 2580, 2597, 2660, 2793, 2940, 2968, 3010, 3021, 3180, 3192, 3268, 3612, 3710, 3724, 3990, 4028, 4085, 4214, 4452, 4515, 4558, 4655, 4902, 5035, 5160, 5194, 5320, 5565, 5586, 5719, 5880, 6020, 6042, 6321, 6360, 6536, 6837, 7049, 7224, 7420, 7448, 7791, 7980, 8056, 8170, 8428, 8904, 9030, 9116, 9310, 9804, 10070, 10388, 10535, 11130, 11172, 11395, 11438, 12040, 12084, 12255, 12642, 12985, 13674, 13965, 14098, 14840, 15105, 15582, 15953, 15960, 16340, 16856, 17157, 18060, 18232, 18620, 19608, 20140, 20776, 21070, 21147, 22260, 22344, 22790, 22876, 24168, 24510, 25284, 25970, 27348, 27930, 28196, 28595, 30210, 31164, 31605, 31906, 32680, 34185, 34314, 35245, 36120, 37240, 38955, 40033, 40280, 42140, 42294, 43301, 44520, 45580, 45752, 47859, 49020, 49343, 50568, 51940, 54696, 55860, 56392, 57190, 60420, 62328, 63210, 63812, 68370, 68628, 70490, 77910, 79765, 80066, 84280, 84588, 85785, 86602, 91160, 95718, 98040, 98686, 103880, 105735, 111671, 111720, 114380, 120099, 120840, 126420, 127624, 129903, 136740, 137256, 140980, 148029, 155820, 159530, 160132, 169176, 171570, 173204, 191436, 197372, 200165, 211470, 216505, 223342, 228760, 239295, 240198, 246715, 252840, 259806, 273480, 281960, 296058, 303107, 311640, 319060, 320264, 335013, 343140, 346408, 382872, 394744, 400330, 422940, 433010, 446684, 478590, 480396, 493430, 519612, 558355, 592116, 600495, 606214, 638120, 649515, 670026, 686280, 740145, 800660, 845880, 866020, 893368, 909321, 957180, 960792, 986860, 1039224, 1116710, 1184232, 1200990, 1212428, 1299030, 1340052, 1480290, 1515535, 1601320, 1675065, 1732040, 1818642, 1914360, 1973720, 2121749, 2233420, 2401980, 2424856, 2598060, 2680104, 2960580, 3031070, 3350130, 3637284, 4243498, 4466840, 4546605, 4803960, 5196120, 5921160, 6062140, 6365247, 6700260, 7274568, 8486996, 9093210, 10608745, 12124280, 12730494, 13400520, 16973992, 18186420, 21217490, 25460988, 31826235, 36372840, 42434980, 50921976, 63652470, 84869960, 127304940, 254609880]

約数ペア:

[(1, 254609880), (2, 127304940), (3, 84869960), (4, 63652470), (5, 50921976), (6, 42434980), (7, 36372840), (8, 31826235), (10, 25460988), (12, 21217490), (14, 18186420), (15, 16973992), (19, 13400520), (20, 12730494), (21, 12124280), (24, 10608745), (28, 9093210), (30, 8486996), (35, 7274568), (38, 6700260), (40, 6365247), (42, 6062140), (43, 5921160), (49, 5196120), (53, 4803960), (56, 4546605), (57, 4466840), (60, 4243498), (70, 3637284), (76, 3350130), (84, 3031070), (86, 2960580), (95, 2680104), (98, 2598060), (105, 2424856), (106, 2401980), (114, 2233420), (120, 2121749), (129, 1973720), (133, 1914360), (140, 1818642), (147, 1732040), (152, 1675065), (159, 1601320), (168, 1515535), (172, 1480290), (190, 1340052), (196, 1299030), (210, 1212428), (212, 1200990), (215, 1184232), (228, 1116710), (245, 1039224), (258, 986860), (265, 960792), (266, 957180), (280, 909321), (285, 893368), (294, 866020), (301, 845880), (318, 800660), (344, 740145), (371, 686280), (380, 670026), (392, 649515), (399, 638120), (420, 606214), (424, 600495), (430, 592116), (456, 558355), (490, 519612), (516, 493430), (530, 480396), (532, 478590), (570, 446684), (588, 433010), (602, 422940), (636, 400330), (645, 394744), (665, 382872), (735, 346408), (742, 343140), (760, 335013), (795, 320264), (798, 319060), (817, 311640), (840, 303107), (860, 296058), (903, 281960), (931, 273480), (980, 259806), (1007, 252840), (1032, 246715), (1060, 240198), (1064, 239295), (1113, 228760), (1140, 223342), (1176, 216505), (1204, 211470), (1272, 200165), (1290, 197372), (1330, 191436), (1470, 173204), (1484, 171570), (1505, 169176), (1590, 160132), (1596, 159530), (1634, 155820), (1720, 148029), (1806, 140980), (1855, 137256), (1862, 136740), (1960, 129903), (1995, 127624), (2014, 126420), (2107, 120840), (2120, 120099), (2226, 114380), (2279, 111720), (2280, 111671), (2408, 105735), (2451, 103880), (2580, 98686), (2597, 98040), (2660, 95718), (2793, 91160), (2940, 86602), (2968, 85785), (3010, 84588), (3021, 84280), (3180, 80066), (3192, 79765), (3268, 77910), (3612, 70490), (3710, 68628), (3724, 68370), (3990, 63812), (4028, 63210), (4085, 62328), (4214, 60420), (4452, 57190), (4515, 56392), (4558, 55860), (4655, 54696), (4902, 51940), (5035, 50568), (5160, 49343), (5194, 49020), (5320, 47859), (5565, 45752), (5586, 45580), (5719, 44520), (5880, 43301), (6020, 42294), (6042, 42140), (6321, 40280), (6360, 40033), (6536, 38955), (6837, 37240), (7049, 36120), (7224, 35245), (7420, 34314), (7448, 34185), (7791, 32680), (7980, 31906), (8056, 31605), (8170, 31164), (8428, 30210), (8904, 28595), (9030, 28196), (9116, 27930), (9310, 27348), (9804, 25970), (10070, 25284), (10388, 24510), (10535, 24168), (11130, 22876), (11172, 22790), (11395, 22344), (11438, 22260), (12040, 21147), (12084, 21070), (12255, 20776), (12642, 20140), (12985, 19608), (13674, 18620), (13965, 18232), (14098, 18060), (14840, 17157), (15105, 16856), (15582, 16340), (15953, 15960)]