240636880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{8821}}^1$

素因数の和:8876

約数の個数: 80

約数和(自身を含む): 630102528

約数和(自身を除く): 389465648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 8821, 13640, 17642, 27280, 35284, 44105, 70568, 88210, 97031, 141136, 176420, 194062, 273451, 352840, 388124, 485155, 546902, 705680, 776248, 970310, 1093804, 1367255, 1552496, 1940620, 2187608, 2734510, 3007961, 3881240, 4375216, 5469020, 6015922, 7762480, 10938040, 12031844, 15039805, 21876080, 24063688, 30079610, 48127376, 60159220, 120318440, 240636880]

約数ペア:

[(1, 240636880), (2, 120318440), (4, 60159220), (5, 48127376), (8, 30079610), (10, 24063688), (11, 21876080), (16, 15039805), (20, 12031844), (22, 10938040), (31, 7762480), (40, 6015922), (44, 5469020), (55, 4375216), (62, 3881240), (80, 3007961), (88, 2734510), (110, 2187608), (124, 1940620), (155, 1552496), (176, 1367255), (220, 1093804), (248, 970310), (310, 776248), (341, 705680), (440, 546902), (496, 485155), (620, 388124), (682, 352840), (880, 273451), (1240, 194062), (1364, 176420), (1705, 141136), (2480, 97031), (2728, 88210), (3410, 70568), (5456, 44105), (6820, 35284), (8821, 27280), (13640, 17642)]