180990090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64871}}^1$

素因数の和:64915

約数の個数: 48

約数和(自身を含む): 485761536

約数和(自身を除く): 304771446

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 64871, 129742, 194613, 324355, 389226, 583839, 648710, 973065, 1167678, 1946130, 2011001, 2919195, 4022002, 5838390, 6033003, 10055005, 12066006, 18099009, 20110010, 30165015, 36198018, 60330030, 90495045, 180990090]

約数ペア:

[(1, 180990090), (2, 90495045), (3, 60330030), (5, 36198018), (6, 30165015), (9, 20110010), (10, 18099009), (15, 12066006), (18, 10055005), (30, 6033003), (31, 5838390), (45, 4022002), (62, 2919195), (90, 2011001), (93, 1946130), (155, 1167678), (186, 973065), (279, 648710), (310, 583839), (465, 389226), (558, 324355), (930, 194613), (1395, 129742), (2790, 64871)]