409968180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73471}}^1$

素因数の和:73517

約数の個数: 72

約数和(自身を含む): 1283702784

約数和(自身を除く): 873734604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 73471, 146942, 220413, 293884, 367355, 440826, 661239, 734710, 881652, 1102065, 1322478, 1469420, 2204130, 2277601, 2644956, 3306195, 4408260, 4555202, 6612390, 6832803, 9110404, 11388005, 13224780, 13665606, 20498409, 22776010, 27331212, 34164015, 40996818, 45552020, 68328030, 81993636, 102492045, 136656060, 204984090, 409968180]

約数ペア:

[(1, 409968180), (2, 204984090), (3, 136656060), (4, 102492045), (5, 81993636), (6, 68328030), (9, 45552020), (10, 40996818), (12, 34164015), (15, 27331212), (18, 22776010), (20, 20498409), (30, 13665606), (31, 13224780), (36, 11388005), (45, 9110404), (60, 6832803), (62, 6612390), (90, 4555202), (93, 4408260), (124, 3306195), (155, 2644956), (180, 2277601), (186, 2204130), (279, 1469420), (310, 1322478), (372, 1102065), (465, 881652), (558, 734710), (620, 661239), (930, 440826), (1116, 367355), (1395, 293884), (1860, 220413), (2790, 146942), (5580, 73471)]