31255140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{10631}}^1$

素因数の和:10657

約数の個数: 72

約数和(自身を含む): 101812032

約数和(自身を除く): 70556892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 10631, 21262, 31893, 42524, 53155, 63786, 74417, 106310, 127572, 148834, 159465, 212620, 223251, 297668, 318930, 372085, 446502, 520919, 637860, 744170, 893004, 1041838, 1116255, 1488340, 1562757, 2083676, 2232510, 2604595, 3125514, 4465020, 5209190, 6251028, 7813785, 10418380, 15627570, 31255140]

約数ペア:

[(1, 31255140), (2, 15627570), (3, 10418380), (4, 7813785), (5, 6251028), (6, 5209190), (7, 4465020), (10, 3125514), (12, 2604595), (14, 2232510), (15, 2083676), (20, 1562757), (21, 1488340), (28, 1116255), (30, 1041838), (35, 893004), (42, 744170), (49, 637860), (60, 520919), (70, 446502), (84, 372085), (98, 318930), (105, 297668), (140, 223251), (147, 212620), (196, 159465), (210, 148834), (245, 127572), (294, 106310), (420, 74417), (490, 63786), (588, 53155), (735, 42524), (980, 31893), (1470, 21262), (2940, 10631)]