1425380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 72

約数和(自身を含む): 3575040

約数和(自身を除く): 2149660

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 121, 124, 155, 190, 209, 220, 242, 310, 341, 380, 418, 484, 589, 605, 620, 682, 836, 1045, 1178, 1210, 1364, 1705, 2090, 2299, 2356, 2420, 2945, 3410, 3751, 4180, 4598, 5890, 6479, 6820, 7502, 9196, 11495, 11780, 12958, 15004, 18755, 22990, 25916, 32395, 37510, 45980, 64790, 71269, 75020, 129580, 142538, 285076, 356345, 712690, 1425380]

約数ペア:

[(1, 1425380), (2, 712690), (4, 356345), (5, 285076), (10, 142538), (11, 129580), (19, 75020), (20, 71269), (22, 64790), (31, 45980), (38, 37510), (44, 32395), (55, 25916), (62, 22990), (76, 18755), (95, 15004), (110, 12958), (121, 11780), (124, 11495), (155, 9196), (190, 7502), (209, 6820), (220, 6479), (242, 5890), (310, 4598), (341, 4180), (380, 3751), (418, 3410), (484, 2945), (589, 2420), (605, 2356), (620, 2299), (682, 2090), (836, 1705), (1045, 1364), (1178, 1210)]