1639590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:125

約数の個数: 64

約数和(自身を含む): 4257792

約数和(自身を除く): 2618202

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 41, 43, 62, 82, 86, 93, 123, 129, 155, 186, 205, 215, 246, 258, 310, 410, 430, 465, 615, 645, 930, 1230, 1271, 1290, 1333, 1763, 2542, 2666, 3526, 3813, 3999, 5289, 6355, 6665, 7626, 7998, 8815, 10578, 12710, 13330, 17630, 19065, 19995, 26445, 38130, 39990, 52890, 54653, 109306, 163959, 273265, 327918, 546530, 819795, 1639590]

約数ペア:

[(1, 1639590), (2, 819795), (3, 546530), (5, 327918), (6, 273265), (10, 163959), (15, 109306), (30, 54653), (31, 52890), (41, 39990), (43, 38130), (62, 26445), (82, 19995), (86, 19065), (93, 17630), (123, 13330), (129, 12710), (155, 10578), (186, 8815), (205, 7998), (215, 7626), (246, 6665), (258, 6355), (310, 5289), (410, 3999), (430, 3813), (465, 3526), (615, 2666), (645, 2542), (930, 1763), (1230, 1333), (1271, 1290)]