68797890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 212544000

約数和(自身を除く): 143746110

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 89, 90, 105, 126, 135, 178, 189, 210, 267, 270, 315, 378, 409, 445, 534, 623, 630, 801, 818, 890, 945, 1227, 1246, 1335, 1602, 1869, 1890, 2045, 2403, 2454, 2670, 2863, 3115, 3681, 3738, 4005, 4090, 4806, 5607, 5726, 6135, 6230, 7362, 8010, 8589, 9345, 11043, 11214, 12015, 12270, 14315, 16821, 17178, 18405, 18690, 22086, 24030, 25767, 28035, 28630, 33642, 36401, 36810, 42945, 51534, 55215, 56070, 72802, 77301, 84105, 85890, 109203, 110430, 128835, 154602, 168210, 182005, 218406, 254807, 257670, 327609, 364010, 386505, 509614, 546015, 655218, 764421, 773010, 982827, 1092030, 1274035, 1528842, 1638045, 1965654, 2293263, 2548070, 3276090, 3822105, 4586526, 4914135, 6879789, 7644210, 9828270, 11466315, 13759578, 22932630, 34398945, 68797890]

約数ペア:

[(1, 68797890), (2, 34398945), (3, 22932630), (5, 13759578), (6, 11466315), (7, 9828270), (9, 7644210), (10, 6879789), (14, 4914135), (15, 4586526), (18, 3822105), (21, 3276090), (27, 2548070), (30, 2293263), (35, 1965654), (42, 1638045), (45, 1528842), (54, 1274035), (63, 1092030), (70, 982827), (89, 773010), (90, 764421), (105, 655218), (126, 546015), (135, 509614), (178, 386505), (189, 364010), (210, 327609), (267, 257670), (270, 254807), (315, 218406), (378, 182005), (409, 168210), (445, 154602), (534, 128835), (623, 110430), (630, 109203), (801, 85890), (818, 84105), (890, 77301), (945, 72802), (1227, 56070), (1246, 55215), (1335, 51534), (1602, 42945), (1869, 36810), (1890, 36401), (2045, 33642), (2403, 28630), (2454, 28035), (2670, 25767), (2863, 24030), (3115, 22086), (3681, 18690), (3738, 18405), (4005, 17178), (4090, 16821), (4806, 14315), (5607, 12270), (5726, 12015), (6135, 11214), (6230, 11043), (7362, 9345), (8010, 8589)]