259160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:72

約数の個数: 64

約数和(自身を含む): 691200

約数和(自身を除く): 432040

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 31, 38, 40, 44, 55, 62, 76, 88, 95, 110, 124, 152, 155, 190, 209, 220, 248, 310, 341, 380, 418, 440, 589, 620, 682, 760, 836, 1045, 1178, 1240, 1364, 1672, 1705, 2090, 2356, 2728, 2945, 3410, 4180, 4712, 5890, 6479, 6820, 8360, 11780, 12958, 13640, 23560, 25916, 32395, 51832, 64790, 129580, 259160]

約数ペア:

[(1, 259160), (2, 129580), (4, 64790), (5, 51832), (8, 32395), (10, 25916), (11, 23560), (19, 13640), (20, 12958), (22, 11780), (31, 8360), (38, 6820), (40, 6479), (44, 5890), (55, 4712), (62, 4180), (76, 3410), (88, 2945), (95, 2728), (110, 2356), (124, 2090), (152, 1705), (155, 1672), (190, 1364), (209, 1240), (220, 1178), (248, 1045), (310, 836), (341, 760), (380, 682), (418, 620), (440, 589)]