390237720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{821}}^1$

素因数の和:1085

約数の個数: 128

約数和(自身を含む): 1246415040

約数和(自身を除く): 856177320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 233, 255, 340, 408, 466, 510, 680, 699, 821, 932, 1020, 1165, 1398, 1642, 1864, 2040, 2330, 2463, 2796, 3284, 3495, 3961, 4105, 4660, 4926, 5592, 6568, 6990, 7922, 8210, 9320, 9852, 11883, 12315, 13957, 13980, 15844, 16420, 19704, 19805, 23766, 24630, 27914, 27960, 31688, 32840, 39610, 41871, 47532, 49260, 55828, 59415, 69785, 79220, 83742, 95064, 98520, 111656, 118830, 139570, 158440, 167484, 191293, 209355, 237660, 279140, 334968, 382586, 418710, 475320, 558280, 573879, 765172, 837420, 956465, 1147758, 1530344, 1674840, 1912930, 2295516, 2869395, 3251981, 3825860, 4591032, 5738790, 6503962, 7651720, 9755943, 11477580, 13007924, 16259905, 19511886, 22955160, 26015848, 32519810, 39023772, 48779715, 65039620, 78047544, 97559430, 130079240, 195118860, 390237720]

約数ペア:

[(1, 390237720), (2, 195118860), (3, 130079240), (4, 97559430), (5, 78047544), (6, 65039620), (8, 48779715), (10, 39023772), (12, 32519810), (15, 26015848), (17, 22955160), (20, 19511886), (24, 16259905), (30, 13007924), (34, 11477580), (40, 9755943), (51, 7651720), (60, 6503962), (68, 5738790), (85, 4591032), (102, 3825860), (120, 3251981), (136, 2869395), (170, 2295516), (204, 1912930), (233, 1674840), (255, 1530344), (340, 1147758), (408, 956465), (466, 837420), (510, 765172), (680, 573879), (699, 558280), (821, 475320), (932, 418710), (1020, 382586), (1165, 334968), (1398, 279140), (1642, 237660), (1864, 209355), (2040, 191293), (2330, 167484), (2463, 158440), (2796, 139570), (3284, 118830), (3495, 111656), (3961, 98520), (4105, 95064), (4660, 83742), (4926, 79220), (5592, 69785), (6568, 59415), (6990, 55828), (7922, 49260), (8210, 47532), (9320, 41871), (9852, 39610), (11883, 32840), (12315, 31688), (13957, 27960), (13980, 27914), (15844, 24630), (16420, 23766), (19704, 19805)]