64210920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 204180480

約数和(自身を除く): 139969560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 41, 60, 62, 82, 93, 120, 123, 124, 155, 164, 186, 205, 246, 248, 310, 328, 372, 410, 421, 465, 492, 615, 620, 744, 820, 842, 930, 984, 1230, 1240, 1263, 1271, 1640, 1684, 1860, 2105, 2460, 2526, 2542, 3368, 3720, 3813, 4210, 4920, 5052, 5084, 6315, 6355, 7626, 8420, 10104, 10168, 12630, 12710, 13051, 15252, 16840, 17261, 19065, 25260, 25420, 26102, 30504, 34522, 38130, 39153, 50520, 50840, 51783, 52204, 65255, 69044, 76260, 78306, 86305, 103566, 104408, 130510, 138088, 152520, 156612, 172610, 195765, 207132, 258915, 261020, 313224, 345220, 391530, 414264, 517830, 522040, 535091, 690440, 783060, 1035660, 1070182, 1566120, 1605273, 2071320, 2140364, 2675455, 3210546, 4280728, 5350910, 6421092, 8026365, 10701820, 12842184, 16052730, 21403640, 32105460, 64210920]

約数ペア:

[(1, 64210920), (2, 32105460), (3, 21403640), (4, 16052730), (5, 12842184), (6, 10701820), (8, 8026365), (10, 6421092), (12, 5350910), (15, 4280728), (20, 3210546), (24, 2675455), (30, 2140364), (31, 2071320), (40, 1605273), (41, 1566120), (60, 1070182), (62, 1035660), (82, 783060), (93, 690440), (120, 535091), (123, 522040), (124, 517830), (155, 414264), (164, 391530), (186, 345220), (205, 313224), (246, 261020), (248, 258915), (310, 207132), (328, 195765), (372, 172610), (410, 156612), (421, 152520), (465, 138088), (492, 130510), (615, 104408), (620, 103566), (744, 86305), (820, 78306), (842, 76260), (930, 69044), (984, 65255), (1230, 52204), (1240, 51783), (1263, 50840), (1271, 50520), (1640, 39153), (1684, 38130), (1860, 34522), (2105, 30504), (2460, 26102), (2526, 25420), (2542, 25260), (3368, 19065), (3720, 17261), (3813, 16840), (4210, 15252), (4920, 13051), (5052, 12710), (5084, 12630), (6315, 10168), (6355, 10104), (7626, 8420)]