123680440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{823}}^1$

素因数の和:881

約数の個数: 96

約数和(自身を含む): 318739680

約数和(自身を除く): 195059240

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 289, 340, 442, 520, 578, 680, 823, 884, 1105, 1156, 1445, 1646, 1768, 2210, 2312, 2890, 3292, 3757, 4115, 4420, 5780, 6584, 7514, 8230, 8840, 10699, 11560, 13991, 15028, 16460, 18785, 21398, 27982, 30056, 32920, 37570, 42796, 53495, 55964, 69955, 75140, 85592, 106990, 111928, 139910, 150280, 181883, 213980, 237847, 279820, 363766, 427960, 475694, 559640, 727532, 909415, 951388, 1189235, 1455064, 1818830, 1902776, 2378470, 3092011, 3637660, 4756940, 6184022, 7275320, 9513880, 12368044, 15460055, 24736088, 30920110, 61840220, 123680440]

約数ペア:

[(1, 123680440), (2, 61840220), (4, 30920110), (5, 24736088), (8, 15460055), (10, 12368044), (13, 9513880), (17, 7275320), (20, 6184022), (26, 4756940), (34, 3637660), (40, 3092011), (52, 2378470), (65, 1902776), (68, 1818830), (85, 1455064), (104, 1189235), (130, 951388), (136, 909415), (170, 727532), (221, 559640), (260, 475694), (289, 427960), (340, 363766), (442, 279820), (520, 237847), (578, 213980), (680, 181883), (823, 150280), (884, 139910), (1105, 111928), (1156, 106990), (1445, 85592), (1646, 75140), (1768, 69955), (2210, 55964), (2312, 53495), (2890, 42796), (3292, 37570), (3757, 32920), (4115, 30056), (4420, 27982), (5780, 21398), (6584, 18785), (7514, 16460), (8230, 15028), (8840, 13991), (10699, 11560)]