51138360

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:267

約数の個数: 288

約数和(自身を含む): 209139840

約数和(自身を除く): 158001480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 49, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 98, 104, 105, 117, 120, 126, 130, 140, 147, 156, 168, 180, 182, 195, 196, 210, 223, 234, 245, 252, 260, 273, 280, 294, 312, 315, 360, 364, 390, 392, 420, 441, 446, 455, 468, 490, 504, 520, 546, 585, 588, 630, 637, 669, 728, 735, 780, 819, 840, 882, 892, 910, 936, 980, 1092, 1115, 1170, 1176, 1260, 1274, 1338, 1365, 1470, 1560, 1561, 1638, 1764, 1784, 1820, 1911, 1960, 2007, 2184, 2205, 2230, 2340, 2520, 2548, 2676, 2730, 2899, 2940, 3122, 3185, 3276, 3345, 3528, 3640, 3822, 4014, 4095, 4410, 4460, 4680, 4683, 5096, 5352, 5460, 5733, 5798, 5880, 6244, 6370, 6552, 6690, 7644, 7805, 8028, 8190, 8697, 8820, 8920, 9366, 9555, 10035, 10920, 10927, 11466, 11596, 12488, 12740, 13380, 14049, 14495, 15288, 15610, 16056, 16380, 17394, 17640, 18732, 19110, 20070, 20293, 21854, 22932, 23192, 23415, 25480, 26091, 26760, 28098, 28665, 28990, 31220, 32760, 32781, 34788, 37464, 38220, 40140, 40586, 43485, 43708, 45864, 46830, 52182, 54635, 56196, 57330, 57980, 60879, 62440, 65562, 69576, 70245, 76440, 80280, 81172, 86970, 87416, 93660, 98343, 101465, 104364, 109270, 112392, 114660, 115960, 121758, 130455, 131124, 140490, 142051, 162344, 163905, 173940, 182637, 187320, 196686, 202930, 208728, 218540, 229320, 243516, 260910, 262248, 280980, 284102, 304395, 327810, 347880, 365274, 393372, 405860, 426153, 437080, 487032, 491715, 521820, 561960, 568204, 608790, 655620, 710255, 730548, 786744, 811720, 852306, 913185, 983430, 1043640, 1136408, 1217580, 1278459, 1311240, 1420510, 1461096, 1704612, 1826370, 1966860, 2130765, 2435160, 2556918, 2841020, 3409224, 3652740, 3933720, 4261530, 5113836, 5682040, 6392295, 7305480, 8523060, 10227672, 12784590, 17046120, 25569180, 51138360]

約数ペア:

[(1, 51138360), (2, 25569180), (3, 17046120), (4, 12784590), (5, 10227672), (6, 8523060), (7, 7305480), (8, 6392295), (9, 5682040), (10, 5113836), (12, 4261530), (13, 3933720), (14, 3652740), (15, 3409224), (18, 2841020), (20, 2556918), (21, 2435160), (24, 2130765), (26, 1966860), (28, 1826370), (30, 1704612), (35, 1461096), (36, 1420510), (39, 1311240), (40, 1278459), (42, 1217580), (45, 1136408), (49, 1043640), (52, 983430), (56, 913185), (60, 852306), (63, 811720), (65, 786744), (70, 730548), (72, 710255), (78, 655620), (84, 608790), (90, 568204), (91, 561960), (98, 521820), (104, 491715), (105, 487032), (117, 437080), (120, 426153), (126, 405860), (130, 393372), (140, 365274), (147, 347880), (156, 327810), (168, 304395), (180, 284102), (182, 280980), (195, 262248), (196, 260910), (210, 243516), (223, 229320), (234, 218540), (245, 208728), (252, 202930), (260, 196686), (273, 187320), (280, 182637), (294, 173940), (312, 163905), (315, 162344), (360, 142051), (364, 140490), (390, 131124), (392, 130455), (420, 121758), (441, 115960), (446, 114660), (455, 112392), (468, 109270), (490, 104364), (504, 101465), (520, 98343), (546, 93660), (585, 87416), (588, 86970), (630, 81172), (637, 80280), (669, 76440), (728, 70245), (735, 69576), (780, 65562), (819, 62440), (840, 60879), (882, 57980), (892, 57330), (910, 56196), (936, 54635), (980, 52182), (1092, 46830), (1115, 45864), (1170, 43708), (1176, 43485), (1260, 40586), (1274, 40140), (1338, 38220), (1365, 37464), (1470, 34788), (1560, 32781), (1561, 32760), (1638, 31220), (1764, 28990), (1784, 28665), (1820, 28098), (1911, 26760), (1960, 26091), (2007, 25480), (2184, 23415), (2205, 23192), (2230, 22932), (2340, 21854), (2520, 20293), (2548, 20070), (2676, 19110), (2730, 18732), (2899, 17640), (2940, 17394), (3122, 16380), (3185, 16056), (3276, 15610), (3345, 15288), (3528, 14495), (3640, 14049), (3822, 13380), (4014, 12740), (4095, 12488), (4410, 11596), (4460, 11466), (4680, 10927), (4683, 10920), (5096, 10035), (5352, 9555), (5460, 9366), (5733, 8920), (5798, 8820), (5880, 8697), (6244, 8190), (6370, 8028), (6552, 7805), (6690, 7644)]