20081510070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{911}}^1$

素因数の和:1202

約数の個数: 128

約数和(自身を含む): 49925652480

約数和(自身を除く): 29844142410

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 79, 131, 142, 158, 213, 237, 262, 355, 393, 395, 426, 474, 655, 710, 786, 790, 911, 1065, 1185, 1310, 1822, 1965, 2130, 2370, 2733, 3930, 4555, 5466, 5609, 9110, 9301, 10349, 11218, 13665, 16827, 18602, 20698, 27330, 27903, 28045, 31047, 33654, 46505, 51745, 55806, 56090, 62094, 64681, 71969, 84135, 93010, 103490, 119341, 129362, 139515, 143938, 155235, 168270, 194043, 215907, 238682, 279030, 310470, 323405, 358023, 359845, 388086, 431814, 596705, 646810, 716046, 719690, 734779, 970215, 1079535, 1193410, 1469558, 1790115, 1940430, 2159070, 2204337, 3580230, 3673895, 4408674, 5109799, 7347790, 8473211, 9427939, 10219598, 11021685, 15329397, 16946422, 18855878, 22043370, 25419633, 25548995, 28283817, 30658794, 42366055, 47139695, 50839266, 51097990, 56567634, 76646985, 84732110, 94279390, 127098165, 141419085, 153293970, 254196330, 282838170, 669383669, 1338767338, 2008151007, 3346918345, 4016302014, 6693836690, 10040755035, 20081510070]

約数ペア:

[(1, 20081510070), (2, 10040755035), (3, 6693836690), (5, 4016302014), (6, 3346918345), (10, 2008151007), (15, 1338767338), (30, 669383669), (71, 282838170), (79, 254196330), (131, 153293970), (142, 141419085), (158, 127098165), (213, 94279390), (237, 84732110), (262, 76646985), (355, 56567634), (393, 51097990), (395, 50839266), (426, 47139695), (474, 42366055), (655, 30658794), (710, 28283817), (786, 25548995), (790, 25419633), (911, 22043370), (1065, 18855878), (1185, 16946422), (1310, 15329397), (1822, 11021685), (1965, 10219598), (2130, 9427939), (2370, 8473211), (2733, 7347790), (3930, 5109799), (4555, 4408674), (5466, 3673895), (5609, 3580230), (9110, 2204337), (9301, 2159070), (10349, 1940430), (11218, 1790115), (13665, 1469558), (16827, 1193410), (18602, 1079535), (20698, 970215), (27330, 734779), (27903, 719690), (28045, 716046), (31047, 646810), (33654, 596705), (46505, 431814), (51745, 388086), (55806, 359845), (56090, 358023), (62094, 323405), (64681, 310470), (71969, 279030), (84135, 238682), (93010, 215907), (103490, 194043), (119341, 168270), (129362, 155235), (139515, 143938)]