15531620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 37933056

約数和(自身を除く): 22401436

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 41, 47, 52, 62, 65, 82, 94, 124, 130, 155, 164, 188, 205, 235, 260, 310, 403, 410, 470, 533, 611, 620, 806, 820, 940, 1066, 1222, 1271, 1457, 1612, 1927, 2015, 2132, 2444, 2542, 2665, 2914, 3055, 3854, 4030, 5084, 5330, 5828, 6110, 6355, 7285, 7708, 8060, 9635, 10660, 12220, 12710, 14570, 16523, 18941, 19270, 25051, 25420, 29140, 33046, 37882, 38540, 50102, 59737, 66092, 75764, 82615, 94705, 100204, 119474, 125255, 165230, 189410, 238948, 250510, 298685, 330460, 378820, 501020, 597370, 776581, 1194740, 1553162, 3106324, 3882905, 7765810, 15531620]

約数ペア:

[(1, 15531620), (2, 7765810), (4, 3882905), (5, 3106324), (10, 1553162), (13, 1194740), (20, 776581), (26, 597370), (31, 501020), (41, 378820), (47, 330460), (52, 298685), (62, 250510), (65, 238948), (82, 189410), (94, 165230), (124, 125255), (130, 119474), (155, 100204), (164, 94705), (188, 82615), (205, 75764), (235, 66092), (260, 59737), (310, 50102), (403, 38540), (410, 37882), (470, 33046), (533, 29140), (611, 25420), (620, 25051), (806, 19270), (820, 18941), (940, 16523), (1066, 14570), (1222, 12710), (1271, 12220), (1457, 10660), (1612, 9635), (1927, 8060), (2015, 7708), (2132, 7285), (2444, 6355), (2542, 6110), (2665, 5828), (2914, 5330), (3055, 5084), (3854, 4030)]