131599980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5581}}^1$

素因数の和:5727

約数の個数: 72

約数和(自身を含む): 402305904

約数和(自身を除く): 270705924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 3930, 4716, 5581, 5895, 7860, 11162, 11790, 16743, 22324, 23580, 27905, 33486, 50229, 55810, 66972, 83715, 100458, 111620, 167430, 200916, 251145, 334860, 502290, 731111, 1004580, 1462222, 2193333, 2924444, 3655555, 4386666, 6579999, 7311110, 8773332, 10966665, 13159998, 14622220, 21933330, 26319996, 32899995, 43866660, 65799990, 131599980]

約数ペア:

[(1, 131599980), (2, 65799990), (3, 43866660), (4, 32899995), (5, 26319996), (6, 21933330), (9, 14622220), (10, 13159998), (12, 10966665), (15, 8773332), (18, 7311110), (20, 6579999), (30, 4386666), (36, 3655555), (45, 2924444), (60, 2193333), (90, 1462222), (131, 1004580), (180, 731111), (262, 502290), (393, 334860), (524, 251145), (655, 200916), (786, 167430), (1179, 111620), (1310, 100458), (1572, 83715), (1965, 66972), (2358, 55810), (2620, 50229), (3930, 33486), (4716, 27905), (5581, 23580), (5895, 22324), (7860, 16743), (11162, 11790)]