20712539640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{428299}}^1$

素因数の和:428357

約数の個数: 128

約数和(自身を含む): 69076224000

約数和(自身を除く): 48363684360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 6045, 8060, 9672, 12090, 16120, 24180, 48360, 428299, 856598, 1284897, 1713196, 2141495, 2569794, 3426392, 4282990, 5139588, 5567887, 6424485, 8565980, 10279176, 11135774, 12848970, 13277269, 16703661, 17131960, 22271548, 25697940, 26554538, 27839435, 33407322, 39831807, 44543096, 51395880, 53109076, 55678870, 66386345, 66814644, 79663614, 83518305, 106218152, 111357740, 132772690, 133629288, 159327228, 167036610, 172604497, 199159035, 222715480, 265545380, 318654456, 334073220, 345208994, 398318070, 517813491, 531090760, 668146440, 690417988, 796636140, 863022485, 1035626982, 1380835976, 1593272280, 1726044970, 2071253964, 2589067455, 3452089940, 4142507928, 5178134910, 6904179880, 10356269820, 20712539640]

約数ペア:

[(1, 20712539640), (2, 10356269820), (3, 6904179880), (4, 5178134910), (5, 4142507928), (6, 3452089940), (8, 2589067455), (10, 2071253964), (12, 1726044970), (13, 1593272280), (15, 1380835976), (20, 1035626982), (24, 863022485), (26, 796636140), (30, 690417988), (31, 668146440), (39, 531090760), (40, 517813491), (52, 398318070), (60, 345208994), (62, 334073220), (65, 318654456), (78, 265545380), (93, 222715480), (104, 199159035), (120, 172604497), (124, 167036610), (130, 159327228), (155, 133629288), (156, 132772690), (186, 111357740), (195, 106218152), (248, 83518305), (260, 79663614), (310, 66814644), (312, 66386345), (372, 55678870), (390, 53109076), (403, 51395880), (465, 44543096), (520, 39831807), (620, 33407322), (744, 27839435), (780, 26554538), (806, 25697940), (930, 22271548), (1209, 17131960), (1240, 16703661), (1560, 13277269), (1612, 12848970), (1860, 11135774), (2015, 10279176), (2418, 8565980), (3224, 6424485), (3720, 5567887), (4030, 5139588), (4836, 4282990), (6045, 3426392), (8060, 2569794), (9672, 2141495), (12090, 1713196), (16120, 1284897), (24180, 856598), (48360, 428299)]