251266260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2$

素因数の和:135

約数の個数: 288

約数和(自身を含む): 907683840

約数和(自身を除く): 656417580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 23, 28, 30, 35, 37, 38, 42, 46, 57, 60, 69, 70, 74, 76, 84, 92, 95, 105, 111, 114, 115, 133, 138, 140, 148, 161, 185, 190, 210, 222, 228, 230, 259, 266, 276, 285, 322, 345, 370, 380, 399, 420, 437, 444, 460, 483, 518, 532, 555, 570, 644, 665, 690, 703, 740, 777, 798, 805, 851, 874, 966, 1036, 1110, 1140, 1295, 1311, 1330, 1369, 1380, 1406, 1554, 1596, 1610, 1702, 1748, 1932, 1995, 2109, 2185, 2220, 2415, 2553, 2590, 2622, 2660, 2738, 2812, 3059, 3108, 3220, 3404, 3515, 3885, 3990, 4107, 4218, 4255, 4370, 4830, 4921, 5106, 5180, 5244, 5476, 5957, 6118, 6555, 6845, 7030, 7770, 7980, 8214, 8436, 8510, 8740, 9177, 9583, 9660, 9842, 10212, 10545, 11914, 12236, 12765, 13110, 13690, 14060, 14763, 15295, 15540, 16169, 16428, 17020, 17871, 18354, 19166, 19684, 20535, 21090, 23828, 24605, 25530, 26011, 26220, 27380, 28749, 29526, 29785, 30590, 31487, 32338, 35742, 36708, 38332, 41070, 42180, 45885, 47915, 48507, 49210, 51060, 52022, 57498, 59052, 59570, 61180, 62974, 64676, 71484, 73815, 78033, 80845, 82140, 89355, 91770, 94461, 95830, 97014, 98420, 104044, 113183, 114996, 119140, 125948, 130055, 143745, 147630, 156066, 157435, 161690, 178710, 182077, 183540, 188922, 191660, 194028, 220409, 226366, 242535, 260110, 287490, 295260, 312132, 314870, 323380, 339549, 357420, 364154, 377844, 390165, 440818, 452732, 472305, 485070, 520220, 546231, 565915, 574980, 598253, 629740, 661227, 679098, 728308, 780330, 881636, 910385, 944610, 970140, 1092462, 1102045, 1131830, 1196506, 1322454, 1358196, 1560660, 1697745, 1794759, 1820770, 1889220, 2184924, 2204090, 2263660, 2393012, 2644908, 2731155, 2991265, 3306135, 3395490, 3589518, 3641540, 4187771, 4408180, 5462310, 5982530, 6612270, 6790980, 7179036, 8375542, 8973795, 10924620, 11965060, 12563313, 13224540, 16751084, 17947590, 20938855, 25126626, 35895180, 41877710, 50253252, 62816565, 83755420, 125633130, 251266260]

約数ペア:

[(1, 251266260), (2, 125633130), (3, 83755420), (4, 62816565), (5, 50253252), (6, 41877710), (7, 35895180), (10, 25126626), (12, 20938855), (14, 17947590), (15, 16751084), (19, 13224540), (20, 12563313), (21, 11965060), (23, 10924620), (28, 8973795), (30, 8375542), (35, 7179036), (37, 6790980), (38, 6612270), (42, 5982530), (46, 5462310), (57, 4408180), (60, 4187771), (69, 3641540), (70, 3589518), (74, 3395490), (76, 3306135), (84, 2991265), (92, 2731155), (95, 2644908), (105, 2393012), (111, 2263660), (114, 2204090), (115, 2184924), (133, 1889220), (138, 1820770), (140, 1794759), (148, 1697745), (161, 1560660), (185, 1358196), (190, 1322454), (210, 1196506), (222, 1131830), (228, 1102045), (230, 1092462), (259, 970140), (266, 944610), (276, 910385), (285, 881636), (322, 780330), (345, 728308), (370, 679098), (380, 661227), (399, 629740), (420, 598253), (437, 574980), (444, 565915), (460, 546231), (483, 520220), (518, 485070), (532, 472305), (555, 452732), (570, 440818), (644, 390165), (665, 377844), (690, 364154), (703, 357420), (740, 339549), (777, 323380), (798, 314870), (805, 312132), (851, 295260), (874, 287490), (966, 260110), (1036, 242535), (1110, 226366), (1140, 220409), (1295, 194028), (1311, 191660), (1330, 188922), (1369, 183540), (1380, 182077), (1406, 178710), (1554, 161690), (1596, 157435), (1610, 156066), (1702, 147630), (1748, 143745), (1932, 130055), (1995, 125948), (2109, 119140), (2185, 114996), (2220, 113183), (2415, 104044), (2553, 98420), (2590, 97014), (2622, 95830), (2660, 94461), (2738, 91770), (2812, 89355), (3059, 82140), (3108, 80845), (3220, 78033), (3404, 73815), (3515, 71484), (3885, 64676), (3990, 62974), (4107, 61180), (4218, 59570), (4255, 59052), (4370, 57498), (4830, 52022), (4921, 51060), (5106, 49210), (5180, 48507), (5244, 47915), (5476, 45885), (5957, 42180), (6118, 41070), (6555, 38332), (6845, 36708), (7030, 35742), (7770, 32338), (7980, 31487), (8214, 30590), (8436, 29785), (8510, 29526), (8740, 28749), (9177, 27380), (9583, 26220), (9660, 26011), (9842, 25530), (10212, 24605), (10545, 23828), (11914, 21090), (12236, 20535), (12765, 19684), (13110, 19166), (13690, 18354), (14060, 17871), (14763, 17020), (15295, 16428), (15540, 16169)]