31820580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{487}}^1$

素因数の和:527

約数の個数: 144

約数和(自身を含む): 109038720

約数和(自身を除く): 77218140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 121, 132, 135, 165, 180, 198, 220, 242, 270, 297, 330, 363, 396, 484, 487, 495, 540, 594, 605, 660, 726, 974, 990, 1089, 1188, 1210, 1452, 1461, 1485, 1815, 1948, 1980, 2178, 2420, 2435, 2922, 2970, 3267, 3630, 4356, 4383, 4870, 5357, 5445, 5844, 5940, 6534, 7260, 7305, 8766, 9740, 10714, 10890, 13068, 13149, 14610, 16071, 16335, 17532, 21428, 21780, 21915, 26298, 26785, 29220, 32142, 32670, 43830, 48213, 52596, 53570, 58927, 64284, 65340, 65745, 80355, 87660, 96426, 107140, 117854, 131490, 144639, 160710, 176781, 192852, 235708, 241065, 262980, 289278, 294635, 321420, 353562, 482130, 530343, 578556, 589270, 707124, 723195, 883905, 964260, 1060686, 1178540, 1446390, 1591029, 1767810, 2121372, 2651715, 2892780, 3182058, 3535620, 5303430, 6364116, 7955145, 10606860, 15910290, 31820580]

約数ペア:

[(1, 31820580), (2, 15910290), (3, 10606860), (4, 7955145), (5, 6364116), (6, 5303430), (9, 3535620), (10, 3182058), (11, 2892780), (12, 2651715), (15, 2121372), (18, 1767810), (20, 1591029), (22, 1446390), (27, 1178540), (30, 1060686), (33, 964260), (36, 883905), (44, 723195), (45, 707124), (54, 589270), (55, 578556), (60, 530343), (66, 482130), (90, 353562), (99, 321420), (108, 294635), (110, 289278), (121, 262980), (132, 241065), (135, 235708), (165, 192852), (180, 176781), (198, 160710), (220, 144639), (242, 131490), (270, 117854), (297, 107140), (330, 96426), (363, 87660), (396, 80355), (484, 65745), (487, 65340), (495, 64284), (540, 58927), (594, 53570), (605, 52596), (660, 48213), (726, 43830), (974, 32670), (990, 32142), (1089, 29220), (1188, 26785), (1210, 26298), (1452, 21915), (1461, 21780), (1485, 21428), (1815, 17532), (1948, 16335), (1980, 16071), (2178, 14610), (2420, 13149), (2435, 13068), (2922, 10890), (2970, 10714), (3267, 9740), (3630, 8766), (4356, 7305), (4383, 7260), (4870, 6534), (5357, 5940), (5445, 5844)]