31208240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2423}}^1$

素因数の和:2466

約数の個数: 80

約数和(自身を含む): 86565888

約数和(自身を除く): 55357648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2423, 2576, 3220, 4846, 6440, 9692, 12115, 12880, 16961, 19384, 24230, 33922, 38768, 48460, 55729, 67844, 84805, 96920, 111458, 135688, 169610, 193840, 222916, 271376, 278645, 339220, 390103, 445832, 557290, 678440, 780206, 891664, 1114580, 1356880, 1560412, 1950515, 2229160, 3120824, 3901030, 4458320, 6241648, 7802060, 15604120, 31208240]

約数ペア:

[(1, 31208240), (2, 15604120), (4, 7802060), (5, 6241648), (7, 4458320), (8, 3901030), (10, 3120824), (14, 2229160), (16, 1950515), (20, 1560412), (23, 1356880), (28, 1114580), (35, 891664), (40, 780206), (46, 678440), (56, 557290), (70, 445832), (80, 390103), (92, 339220), (112, 278645), (115, 271376), (140, 222916), (161, 193840), (184, 169610), (230, 135688), (280, 111458), (322, 96920), (368, 84805), (460, 67844), (560, 55729), (644, 48460), (805, 38768), (920, 33922), (1288, 24230), (1610, 19384), (1840, 16961), (2423, 12880), (2576, 12115), (3220, 9692), (4846, 6440)]