71964640

素因数分解:

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

素因数の和:1376

約数の個数: 96

約数和(自身を含む): 191600640

約数和(自身を除く): 119636000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 124, 155, 160, 176, 220, 248, 310, 341, 352, 440, 496, 620, 682, 880, 992, 1240, 1319, 1364, 1705, 1760, 2480, 2638, 2728, 3410, 4960, 5276, 5456, 6595, 6820, 10552, 10912, 13190, 13640, 14509, 21104, 26380, 27280, 29018, 40889, 42208, 52760, 54560, 58036, 72545, 81778, 105520, 116072, 145090, 163556, 204445, 211040, 232144, 290180, 327112, 408890, 449779, 464288, 580360, 654224, 817780, 899558, 1160720, 1308448, 1635560, 1799116, 2248895, 2321440, 3271120, 3598232, 4497790, 6542240, 7196464, 8995580, 14392928, 17991160, 35982320, 71964640]

約数ペア:

[(1, 71964640), (2, 35982320), (4, 17991160), (5, 14392928), (8, 8995580), (10, 7196464), (11, 6542240), (16, 4497790), (20, 3598232), (22, 3271120), (31, 2321440), (32, 2248895), (40, 1799116), (44, 1635560), (55, 1308448), (62, 1160720), (80, 899558), (88, 817780), (110, 654224), (124, 580360), (155, 464288), (160, 449779), (176, 408890), (220, 327112), (248, 290180), (310, 232144), (341, 211040), (352, 204445), (440, 163556), (496, 145090), (620, 116072), (682, 105520), (880, 81778), (992, 72545), (1240, 58036), (1319, 54560), (1364, 52760), (1705, 42208), (1760, 40889), (2480, 29018), (2638, 27280), (2728, 26380), (3410, 21104), (4960, 14509), (5276, 13640), (5456, 13190), (6595, 10912), (6820, 10552)]