71129940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1039}}^1$

素因数の和:1221

約数の個数: 96

約数和(自身を含む): 229232640

約数和(自身を除く): 158102700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 163, 210, 326, 420, 489, 652, 815, 978, 1039, 1141, 1630, 1956, 2078, 2282, 2445, 3117, 3260, 3423, 4156, 4564, 4890, 5195, 5705, 6234, 6846, 7273, 9780, 10390, 11410, 12468, 13692, 14546, 15585, 17115, 20780, 21819, 22820, 29092, 31170, 34230, 36365, 43638, 62340, 68460, 72730, 87276, 109095, 145460, 169357, 218190, 338714, 436380, 508071, 677428, 846785, 1016142, 1185499, 1693570, 2032284, 2370998, 2540355, 3387140, 3556497, 4741996, 5080710, 5927495, 7112994, 10161420, 11854990, 14225988, 17782485, 23709980, 35564970, 71129940]

約数ペア:

[(1, 71129940), (2, 35564970), (3, 23709980), (4, 17782485), (5, 14225988), (6, 11854990), (7, 10161420), (10, 7112994), (12, 5927495), (14, 5080710), (15, 4741996), (20, 3556497), (21, 3387140), (28, 2540355), (30, 2370998), (35, 2032284), (42, 1693570), (60, 1185499), (70, 1016142), (84, 846785), (105, 677428), (140, 508071), (163, 436380), (210, 338714), (326, 218190), (420, 169357), (489, 145460), (652, 109095), (815, 87276), (978, 72730), (1039, 68460), (1141, 62340), (1630, 43638), (1956, 36365), (2078, 34230), (2282, 31170), (2445, 29092), (3117, 22820), (3260, 21819), (3423, 20780), (4156, 17115), (4564, 15585), (4890, 14546), (5195, 13692), (5705, 12468), (6234, 11410), (6846, 10390), (7273, 9780)]