64931567480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{24251}}^1$

素因数の和:24565

約数の個数: 128

約数和(自身を含む): 166232908800

約数和(自身を除く): 101301341320

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 271, 380, 494, 520, 542, 760, 988, 1084, 1235, 1355, 1976, 2168, 2470, 2710, 3523, 4940, 5149, 5420, 7046, 9880, 10298, 10840, 14092, 17615, 20596, 24251, 25745, 28184, 35230, 41192, 48502, 51490, 66937, 70460, 97004, 102980, 121255, 133874, 140920, 194008, 205960, 242510, 267748, 315263, 334685, 460769, 485020, 535496, 630526, 669370, 921538, 970040, 1261052, 1338740, 1576315, 1843076, 2303845, 2522104, 2677480, 3152630, 3686152, 4607690, 5989997, 6305260, 6572021, 9215380, 11979994, 12610520, 13144042, 18430760, 23959988, 26288084, 29949985, 32860105, 47919976, 52576168, 59899970, 65720210, 85436273, 119799940, 124868399, 131440420, 170872546, 239599880, 249736798, 262880840, 341745092, 427181365, 499473596, 624341995, 683490184, 854362730, 998947192, 1248683990, 1623289187, 1708725460, 2497367980, 3246578374, 3417450920, 4994735960, 6493156748, 8116445935, 12986313496, 16232891870, 32465783740, 64931567480]

約数ペア:

[(1, 64931567480), (2, 32465783740), (4, 16232891870), (5, 12986313496), (8, 8116445935), (10, 6493156748), (13, 4994735960), (19, 3417450920), (20, 3246578374), (26, 2497367980), (38, 1708725460), (40, 1623289187), (52, 1248683990), (65, 998947192), (76, 854362730), (95, 683490184), (104, 624341995), (130, 499473596), (152, 427181365), (190, 341745092), (247, 262880840), (260, 249736798), (271, 239599880), (380, 170872546), (494, 131440420), (520, 124868399), (542, 119799940), (760, 85436273), (988, 65720210), (1084, 59899970), (1235, 52576168), (1355, 47919976), (1976, 32860105), (2168, 29949985), (2470, 26288084), (2710, 23959988), (3523, 18430760), (4940, 13144042), (5149, 12610520), (5420, 11979994), (7046, 9215380), (9880, 6572021), (10298, 6305260), (10840, 5989997), (14092, 4607690), (17615, 3686152), (20596, 3152630), (24251, 2677480), (25745, 2522104), (28184, 2303845), (35230, 1843076), (41192, 1576315), (48502, 1338740), (51490, 1261052), (66937, 970040), (70460, 921538), (97004, 669370), (102980, 630526), (121255, 535496), (133874, 485020), (140920, 460769), (194008, 334685), (205960, 315263), (242510, 267748)]