306516840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:280

約数の個数: 256

約数和(自身を含む): 1105920000

約数和(自身を除く): 799403160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 79, 84, 93, 105, 120, 124, 140, 149, 155, 158, 168, 186, 210, 217, 237, 248, 280, 298, 310, 316, 372, 395, 420, 434, 447, 465, 474, 553, 596, 620, 632, 651, 744, 745, 790, 840, 868, 894, 930, 948, 1043, 1085, 1106, 1185, 1192, 1240, 1302, 1490, 1580, 1659, 1736, 1788, 1860, 1896, 2086, 2170, 2212, 2235, 2370, 2449, 2604, 2765, 2980, 3129, 3160, 3255, 3318, 3576, 3720, 4172, 4340, 4424, 4470, 4619, 4740, 4898, 5208, 5215, 5530, 5960, 6258, 6510, 6636, 7347, 8295, 8344, 8680, 8940, 9238, 9480, 9796, 10430, 11060, 11771, 12245, 12516, 13020, 13272, 13857, 14694, 15645, 16590, 17143, 17880, 18476, 19592, 20860, 22120, 23095, 23542, 24490, 25032, 26040, 27714, 29388, 31290, 32333, 33180, 34286, 35313, 36735, 36952, 41720, 46190, 47084, 48980, 51429, 55428, 58776, 58855, 62580, 64666, 66360, 68572, 69285, 70626, 73470, 82397, 85715, 92380, 94168, 96999, 97960, 102858, 110856, 117710, 125160, 129332, 137144, 138570, 141252, 146940, 161665, 164794, 171430, 176565, 184760, 193998, 205716, 235420, 247191, 257145, 258664, 277140, 282504, 293880, 323330, 329588, 342860, 353130, 364901, 387996, 411432, 411985, 470840, 484995, 494382, 514290, 554280, 646660, 659176, 685720, 706260, 729802, 775992, 823970, 969990, 988764, 1028580, 1094703, 1235955, 1293320, 1412520, 1459604, 1647940, 1824505, 1939980, 1977528, 2057160, 2189406, 2471910, 2554307, 2919208, 3295880, 3649010, 3879960, 4378812, 4943820, 5108614, 5473515, 7298020, 7662921, 8757624, 9887640, 10217228, 10947030, 12771535, 14596040, 15325842, 20434456, 21894060, 25543070, 30651684, 38314605, 43788120, 51086140, 61303368, 76629210, 102172280, 153258420, 306516840]

約数ペア:

[(1, 306516840), (2, 153258420), (3, 102172280), (4, 76629210), (5, 61303368), (6, 51086140), (7, 43788120), (8, 38314605), (10, 30651684), (12, 25543070), (14, 21894060), (15, 20434456), (20, 15325842), (21, 14596040), (24, 12771535), (28, 10947030), (30, 10217228), (31, 9887640), (35, 8757624), (40, 7662921), (42, 7298020), (56, 5473515), (60, 5108614), (62, 4943820), (70, 4378812), (79, 3879960), (84, 3649010), (93, 3295880), (105, 2919208), (120, 2554307), (124, 2471910), (140, 2189406), (149, 2057160), (155, 1977528), (158, 1939980), (168, 1824505), (186, 1647940), (210, 1459604), (217, 1412520), (237, 1293320), (248, 1235955), (280, 1094703), (298, 1028580), (310, 988764), (316, 969990), (372, 823970), (395, 775992), (420, 729802), (434, 706260), (447, 685720), (465, 659176), (474, 646660), (553, 554280), (596, 514290), (620, 494382), (632, 484995), (651, 470840), (744, 411985), (745, 411432), (790, 387996), (840, 364901), (868, 353130), (894, 342860), (930, 329588), (948, 323330), (1043, 293880), (1085, 282504), (1106, 277140), (1185, 258664), (1192, 257145), (1240, 247191), (1302, 235420), (1490, 205716), (1580, 193998), (1659, 184760), (1736, 176565), (1788, 171430), (1860, 164794), (1896, 161665), (2086, 146940), (2170, 141252), (2212, 138570), (2235, 137144), (2370, 129332), (2449, 125160), (2604, 117710), (2765, 110856), (2980, 102858), (3129, 97960), (3160, 96999), (3255, 94168), (3318, 92380), (3576, 85715), (3720, 82397), (4172, 73470), (4340, 70626), (4424, 69285), (4470, 68572), (4619, 66360), (4740, 64666), (4898, 62580), (5208, 58855), (5215, 58776), (5530, 55428), (5960, 51429), (6258, 48980), (6510, 47084), (6636, 46190), (7347, 41720), (8295, 36952), (8344, 36735), (8680, 35313), (8940, 34286), (9238, 33180), (9480, 32333), (9796, 31290), (10430, 29388), (11060, 27714), (11771, 26040), (12245, 25032), (12516, 24490), (13020, 23542), (13272, 23095), (13857, 22120), (14694, 20860), (15645, 19592), (16590, 18476), (17143, 17880)]