123540390

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{152519}}^1$

素因数の和:152538

約数の個数: 40

約数和(自身を含む): 332188560

約数和(自身を除く): 208648170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 152519, 305038, 457557, 762595, 915114, 1372671, 1525190, 2287785, 2745342, 4118013, 4575570, 6863355, 8236026, 12354039, 13726710, 20590065, 24708078, 41180130, 61770195, 123540390]

約数ペア:

[(1, 123540390), (2, 61770195), (3, 41180130), (5, 24708078), (6, 20590065), (9, 13726710), (10, 12354039), (15, 8236026), (18, 6863355), (27, 4575570), (30, 4118013), (45, 2745342), (54, 2287785), (81, 1525190), (90, 1372671), (135, 915114), (162, 762595), (270, 457557), (405, 305038), (810, 152519)]