6491240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 16934400

約数和(自身を除く): 10443160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 239, 280, 388, 478, 485, 679, 776, 956, 970, 1195, 1358, 1673, 1912, 1940, 2390, 2716, 3346, 3395, 3880, 4780, 5432, 6692, 6790, 8365, 9560, 13384, 13580, 16730, 23183, 27160, 33460, 46366, 66920, 92732, 115915, 162281, 185464, 231830, 324562, 463660, 649124, 811405, 927320, 1298248, 1622810, 3245620, 6491240]

約数ペア:

[(1, 6491240), (2, 3245620), (4, 1622810), (5, 1298248), (7, 927320), (8, 811405), (10, 649124), (14, 463660), (20, 324562), (28, 231830), (35, 185464), (40, 162281), (56, 115915), (70, 92732), (97, 66920), (140, 46366), (194, 33460), (239, 27160), (280, 23183), (388, 16730), (478, 13580), (485, 13384), (679, 9560), (776, 8365), (956, 6790), (970, 6692), (1195, 5432), (1358, 4780), (1673, 3880), (1912, 3395), (1940, 3346), (2390, 2716)]