1330971880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{19889}}^1$

素因数の和:20146

約数の個数: 64

約数和(自身を含む): 3436992000

約数和(自身を除く): 2106020120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 956, 1195, 1673, 1912, 2390, 3346, 4780, 6692, 8365, 9560, 13384, 16730, 19889, 33460, 39778, 66920, 79556, 99445, 139223, 159112, 198890, 278446, 397780, 556892, 696115, 795560, 1113784, 1392230, 2784460, 4753471, 5568920, 9506942, 19013884, 23767355, 33274297, 38027768, 47534710, 66548594, 95069420, 133097188, 166371485, 190138840, 266194376, 332742970, 665485940, 1330971880]

約数ペア:

[(1, 1330971880), (2, 665485940), (4, 332742970), (5, 266194376), (7, 190138840), (8, 166371485), (10, 133097188), (14, 95069420), (20, 66548594), (28, 47534710), (35, 38027768), (40, 33274297), (56, 23767355), (70, 19013884), (140, 9506942), (239, 5568920), (280, 4753471), (478, 2784460), (956, 1392230), (1195, 1113784), (1673, 795560), (1912, 696115), (2390, 556892), (3346, 397780), (4780, 278446), (6692, 198890), (8365, 159112), (9560, 139223), (13384, 99445), (16730, 79556), (19889, 66920), (33460, 39778)]