13721680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 36961920

約数和(自身を除く): 23240240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 214, 229, 280, 428, 458, 535, 560, 749, 856, 916, 1070, 1145, 1498, 1603, 1712, 1832, 2140, 2290, 2996, 3206, 3664, 3745, 4280, 4580, 5992, 6412, 7490, 8015, 8560, 9160, 11984, 12824, 14980, 16030, 18320, 24503, 25648, 29960, 32060, 49006, 59920, 64120, 98012, 122515, 128240, 171521, 196024, 245030, 343042, 392048, 490060, 686084, 857605, 980120, 1372168, 1715210, 1960240, 2744336, 3430420, 6860840, 13721680]

約数ペア:

[(1, 13721680), (2, 6860840), (4, 3430420), (5, 2744336), (7, 1960240), (8, 1715210), (10, 1372168), (14, 980120), (16, 857605), (20, 686084), (28, 490060), (35, 392048), (40, 343042), (56, 245030), (70, 196024), (80, 171521), (107, 128240), (112, 122515), (140, 98012), (214, 64120), (229, 59920), (280, 49006), (428, 32060), (458, 29960), (535, 25648), (560, 24503), (749, 18320), (856, 16030), (916, 14980), (1070, 12824), (1145, 11984), (1498, 9160), (1603, 8560), (1712, 8015), (1832, 7490), (2140, 6412), (2290, 5992), (2996, 4580), (3206, 4280), (3664, 3745)]