64941072625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:884

約数の個数: 128

約数和(自身を含む): 98594496000

約数和(自身を除く): 33653423375

約数列:

[1, 5, 11, 13, 25, 37, 55, 65, 125, 143, 149, 185, 275, 325, 407, 481, 659, 715, 745, 925, 1375, 1625, 1639, 1937, 2035, 2405, 3295, 3575, 3725, 4625, 5291, 5513, 7249, 8195, 8567, 9685, 10175, 12025, 16475, 17875, 18625, 21307, 24383, 26455, 27565, 36245, 40975, 42835, 48425, 50875, 60125, 60643, 71669, 82375, 94237, 98191, 106535, 121915, 132275, 137825, 181225, 204875, 214175, 242125, 268213, 303215, 316979, 358345, 471185, 490955, 532675, 609575, 661375, 689125, 788359, 906125, 1070875, 1080101, 1276483, 1341065, 1516075, 1584895, 1791725, 2355925, 2454775, 2663375, 3047875, 3486769, 3633067, 3941795, 5400505, 6382415, 6705325, 7580375, 7924475, 8958625, 11779625, 12273875, 14041313, 17433845, 18165335, 19708975, 27002525, 31912075, 33526625, 39622375, 39963737, 47229871, 70206565, 87169225, 90826675, 98544875, 135012625, 159560375, 199818685, 236149355, 351032825, 435846125, 454133375, 519528581, 999093425, 1180746775, 1755164125, 2597642905, 4995467125, 5903733875, 12988214525, 64941072625]

約数ペア:

[(1, 64941072625), (5, 12988214525), (11, 5903733875), (13, 4995467125), (25, 2597642905), (37, 1755164125), (55, 1180746775), (65, 999093425), (125, 519528581), (143, 454133375), (149, 435846125), (185, 351032825), (275, 236149355), (325, 199818685), (407, 159560375), (481, 135012625), (659, 98544875), (715, 90826675), (745, 87169225), (925, 70206565), (1375, 47229871), (1625, 39963737), (1639, 39622375), (1937, 33526625), (2035, 31912075), (2405, 27002525), (3295, 19708975), (3575, 18165335), (3725, 17433845), (4625, 14041313), (5291, 12273875), (5513, 11779625), (7249, 8958625), (8195, 7924475), (8567, 7580375), (9685, 6705325), (10175, 6382415), (12025, 5400505), (16475, 3941795), (17875, 3633067), (18625, 3486769), (21307, 3047875), (24383, 2663375), (26455, 2454775), (27565, 2355925), (36245, 1791725), (40975, 1584895), (42835, 1516075), (48425, 1341065), (50875, 1276483), (60125, 1080101), (60643, 1070875), (71669, 906125), (82375, 788359), (94237, 689125), (98191, 661375), (106535, 609575), (121915, 532675), (132275, 490955), (137825, 471185), (181225, 358345), (204875, 316979), (214175, 303215), (242125, 268213)]