17991160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1319}}^1$

素因数の和:1372

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 27628040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1319, 1364, 1705, 2638, 2728, 3410, 5276, 6595, 6820, 10552, 13190, 13640, 14509, 26380, 29018, 40889, 52760, 58036, 72545, 81778, 116072, 145090, 163556, 204445, 290180, 327112, 408890, 449779, 580360, 817780, 899558, 1635560, 1799116, 2248895, 3598232, 4497790, 8995580, 17991160]

約数ペア:

[(1, 17991160), (2, 8995580), (4, 4497790), (5, 3598232), (8, 2248895), (10, 1799116), (11, 1635560), (20, 899558), (22, 817780), (31, 580360), (40, 449779), (44, 408890), (55, 327112), (62, 290180), (88, 204445), (110, 163556), (124, 145090), (155, 116072), (220, 81778), (248, 72545), (310, 58036), (341, 52760), (440, 40889), (620, 29018), (682, 26380), (1240, 14509), (1319, 13640), (1364, 13190), (1705, 10552), (2638, 6820), (2728, 6595), (3410, 5276)]