31893420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1319}}^1$

素因数の和:1375

約数の個数: 96

約数和(自身を含む): 99348480

約数和(自身を除く): 67455060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1319, 1612, 1860, 2015, 2418, 2638, 3957, 4030, 4836, 5276, 6045, 6595, 7914, 8060, 12090, 13190, 15828, 17147, 19785, 24180, 26380, 34294, 39570, 40889, 51441, 68588, 79140, 81778, 85735, 102882, 122667, 163556, 171470, 204445, 205764, 245334, 257205, 342940, 408890, 490668, 514410, 531557, 613335, 817780, 1028820, 1063114, 1226670, 1594671, 2126228, 2453340, 2657785, 3189342, 5315570, 6378684, 7973355, 10631140, 15946710, 31893420]

約数ペア:

[(1, 31893420), (2, 15946710), (3, 10631140), (4, 7973355), (5, 6378684), (6, 5315570), (10, 3189342), (12, 2657785), (13, 2453340), (15, 2126228), (20, 1594671), (26, 1226670), (30, 1063114), (31, 1028820), (39, 817780), (52, 613335), (60, 531557), (62, 514410), (65, 490668), (78, 408890), (93, 342940), (124, 257205), (130, 245334), (155, 205764), (156, 204445), (186, 171470), (195, 163556), (260, 122667), (310, 102882), (372, 85735), (390, 81778), (403, 79140), (465, 68588), (620, 51441), (780, 40889), (806, 39570), (930, 34294), (1209, 26380), (1319, 24180), (1612, 19785), (1860, 17147), (2015, 15828), (2418, 13190), (2638, 12090), (3957, 8060), (4030, 7914), (4836, 6595), (5276, 6045)]