78539120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2879}}^1$

素因数の和:2934

約数の個数: 80

約数和(自身を含む): 205701120

約数和(自身を除く): 127162000

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, 2879, 3410, 5456, 5758, 6820, 11516, 13640, 14395, 23032, 27280, 28790, 31669, 46064, 57580, 63338, 89249, 115160, 126676, 158345, 178498, 230320, 253352, 316690, 356996, 446245, 506704, 633380, 713992, 892490, 981739, 1266760, 1427984, 1784980, 1963478, 2533520, 3569960, 3926956, 4908695, 7139920, 7853912, 9817390, 15707824, 19634780, 39269560, 78539120]

約数ペア:

[(1, 78539120), (2, 39269560), (4, 19634780), (5, 15707824), (8, 9817390), (10, 7853912), (11, 7139920), (16, 4908695), (20, 3926956), (22, 3569960), (31, 2533520), (40, 1963478), (44, 1784980), (55, 1427984), (62, 1266760), (80, 981739), (88, 892490), (110, 713992), (124, 633380), (155, 506704), (176, 446245), (220, 356996), (248, 316690), (310, 253352), (341, 230320), (440, 178498), (496, 158345), (620, 126676), (682, 115160), (880, 89249), (1240, 63338), (1364, 57580), (1705, 46064), (2480, 31669), (2728, 28790), (2879, 27280), (3410, 23032), (5456, 14395), (5758, 13640), (6820, 11516)]