64742260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:925

約数の個数: 72

約数和(自身を含む): 154441728

約数和(自身を除く): 89699468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 682, 863, 1210, 1364, 1705, 1726, 2420, 3410, 3452, 3751, 4315, 6820, 7502, 8630, 9493, 15004, 17260, 18755, 18986, 26753, 37510, 37972, 47465, 53506, 75020, 94930, 104423, 107012, 133765, 189860, 208846, 267530, 294283, 417692, 522115, 535060, 588566, 1044230, 1177132, 1471415, 2088460, 2942830, 3237113, 5885660, 6474226, 12948452, 16185565, 32371130, 64742260]

約数ペア:

[(1, 64742260), (2, 32371130), (4, 16185565), (5, 12948452), (10, 6474226), (11, 5885660), (20, 3237113), (22, 2942830), (31, 2088460), (44, 1471415), (55, 1177132), (62, 1044230), (110, 588566), (121, 535060), (124, 522115), (155, 417692), (220, 294283), (242, 267530), (310, 208846), (341, 189860), (484, 133765), (605, 107012), (620, 104423), (682, 94930), (863, 75020), (1210, 53506), (1364, 47465), (1705, 37972), (1726, 37510), (2420, 26753), (3410, 18986), (3452, 18755), (3751, 17260), (4315, 15004), (6820, 9493), (7502, 8630)]