30990648

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1492

約数の個数: 64

約数和(自身を含む): 84672000

約数和(自身を除く): 53681352

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 71, 78, 104, 142, 156, 213, 284, 312, 426, 568, 852, 923, 1399, 1704, 1846, 2769, 2798, 3692, 4197, 5538, 5596, 7384, 8394, 11076, 11192, 16788, 18187, 22152, 33576, 36374, 54561, 72748, 99329, 109122, 145496, 198658, 218244, 297987, 397316, 436488, 595974, 794632, 1191948, 1291277, 2383896, 2582554, 3873831, 5165108, 7747662, 10330216, 15495324, 30990648]

約数ペア:

[(1, 30990648), (2, 15495324), (3, 10330216), (4, 7747662), (6, 5165108), (8, 3873831), (12, 2582554), (13, 2383896), (24, 1291277), (26, 1191948), (39, 794632), (52, 595974), (71, 436488), (78, 397316), (104, 297987), (142, 218244), (156, 198658), (213, 145496), (284, 109122), (312, 99329), (426, 72748), (568, 54561), (852, 36374), (923, 33576), (1399, 22152), (1704, 18187), (1846, 16788), (2769, 11192), (2798, 11076), (3692, 8394), (4197, 7384), (5538, 5596)]