13080140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 30532992

約数和(自身を除く): 17452852

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 73, 85, 124, 146, 155, 170, 289, 292, 310, 340, 365, 527, 578, 620, 730, 1054, 1156, 1241, 1445, 1460, 2108, 2263, 2482, 2635, 2890, 4526, 4964, 5270, 5780, 6205, 8959, 9052, 10540, 11315, 12410, 17918, 21097, 22630, 24820, 35836, 38471, 42194, 44795, 45260, 76942, 84388, 89590, 105485, 153884, 179180, 192355, 210970, 384710, 421940, 654007, 769420, 1308014, 2616028, 3270035, 6540070, 13080140]

約数ペア:

[(1, 13080140), (2, 6540070), (4, 3270035), (5, 2616028), (10, 1308014), (17, 769420), (20, 654007), (31, 421940), (34, 384710), (62, 210970), (68, 192355), (73, 179180), (85, 153884), (124, 105485), (146, 89590), (155, 84388), (170, 76942), (289, 45260), (292, 44795), (310, 42194), (340, 38471), (365, 35836), (527, 24820), (578, 22630), (620, 21097), (730, 17918), (1054, 12410), (1156, 11315), (1241, 10540), (1445, 9052), (1460, 8959), (2108, 6205), (2263, 5780), (2482, 5270), (2635, 4964), (2890, 4526)]