55080180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9871}}^1$

素因数の和:9917

約数の個数: 72

約数和(自身を含む): 172483584

約数和(自身を除く): 117403404

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, 9871, 19742, 29613, 39484, 49355, 59226, 88839, 98710, 118452, 148065, 177678, 197420, 296130, 306001, 355356, 444195, 592260, 612002, 888390, 918003, 1224004, 1530005, 1776780, 1836006, 2754009, 3060010, 3672012, 4590015, 5508018, 6120020, 9180030, 11016036, 13770045, 18360060, 27540090, 55080180]

約数ペア:

[(1, 55080180), (2, 27540090), (3, 18360060), (4, 13770045), (5, 11016036), (6, 9180030), (9, 6120020), (10, 5508018), (12, 4590015), (15, 3672012), (18, 3060010), (20, 2754009), (30, 1836006), (31, 1776780), (36, 1530005), (45, 1224004), (60, 918003), (62, 888390), (90, 612002), (93, 592260), (124, 444195), (155, 355356), (180, 306001), (186, 296130), (279, 197420), (310, 177678), (372, 148065), (465, 118452), (558, 98710), (620, 88839), (930, 59226), (1116, 49355), (1395, 39484), (1860, 29613), (2790, 19742), (5580, 9871)]