1642651020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1\times {\mathrm{397}}^1$

素因数の和:720

約数の個数: 144

約数和(自身を含む): 5062407168

約数和(自身を除く): 3419756148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 181, 254, 362, 381, 397, 508, 543, 635, 724, 762, 794, 905, 1086, 1143, 1191, 1270, 1524, 1588, 1629, 1810, 1905, 1985, 2172, 2286, 2382, 2540, 2715, 3258, 3573, 3620, 3810, 3970, 4572, 4764, 5430, 5715, 5955, 6516, 7146, 7620, 7940, 8145, 10860, 11430, 11910, 14292, 16290, 17865, 22860, 22987, 23820, 32580, 35730, 45974, 50419, 68961, 71460, 71857, 91948, 100838, 114935, 137922, 143714, 151257, 201676, 206883, 215571, 229870, 252095, 275844, 287428, 302514, 344805, 359285, 413766, 431142, 453771, 459740, 504190, 605028, 646713, 689610, 718570, 756285, 827532, 862284, 907542, 1008380, 1034415, 1077855, 1293426, 1379220, 1437140, 1512570, 1815084, 2068830, 2155710, 2268855, 2586852, 3025140, 3233565, 4137660, 4311420, 4537710, 6467130, 9075420, 9125839, 12934260, 18251678, 27377517, 36503356, 45629195, 54755034, 82132551, 91258390, 109510068, 136887585, 164265102, 182516780, 273775170, 328530204, 410662755, 547550340, 821325510, 1642651020]

約数ペア:

[(1, 1642651020), (2, 821325510), (3, 547550340), (4, 410662755), (5, 328530204), (6, 273775170), (9, 182516780), (10, 164265102), (12, 136887585), (15, 109510068), (18, 91258390), (20, 82132551), (30, 54755034), (36, 45629195), (45, 36503356), (60, 27377517), (90, 18251678), (127, 12934260), (180, 9125839), (181, 9075420), (254, 6467130), (362, 4537710), (381, 4311420), (397, 4137660), (508, 3233565), (543, 3025140), (635, 2586852), (724, 2268855), (762, 2155710), (794, 2068830), (905, 1815084), (1086, 1512570), (1143, 1437140), (1191, 1379220), (1270, 1293426), (1524, 1077855), (1588, 1034415), (1629, 1008380), (1810, 907542), (1905, 862284), (1985, 827532), (2172, 756285), (2286, 718570), (2382, 689610), (2540, 646713), (2715, 605028), (3258, 504190), (3573, 459740), (3620, 453771), (3810, 431142), (3970, 413766), (4572, 359285), (4764, 344805), (5430, 302514), (5715, 287428), (5955, 275844), (6516, 252095), (7146, 229870), (7620, 215571), (7940, 206883), (8145, 201676), (10860, 151257), (11430, 143714), (11910, 137922), (14292, 114935), (16290, 100838), (17865, 91948), (22860, 71857), (22987, 71460), (23820, 68961), (32580, 50419), (35730, 45974)]