78470920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:587

約数の個数: 96

約数和(自身を含む): 200712960

約数和(自身を除く): 122242040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 121, 124, 155, 220, 242, 248, 310, 341, 440, 484, 523, 605, 620, 682, 968, 1046, 1210, 1240, 1364, 1705, 2092, 2420, 2615, 2728, 3410, 3751, 4184, 4840, 5230, 5753, 6820, 7502, 10460, 11506, 13640, 15004, 16213, 18755, 20920, 23012, 28765, 30008, 32426, 37510, 46024, 57530, 63283, 64852, 75020, 81065, 115060, 126566, 129704, 150040, 162130, 178343, 230120, 253132, 316415, 324260, 356686, 506264, 632830, 648520, 713372, 891715, 1265660, 1426744, 1783430, 1961773, 2531320, 3566860, 3923546, 7133720, 7847092, 9808865, 15694184, 19617730, 39235460, 78470920]

約数ペア:

[(1, 78470920), (2, 39235460), (4, 19617730), (5, 15694184), (8, 9808865), (10, 7847092), (11, 7133720), (20, 3923546), (22, 3566860), (31, 2531320), (40, 1961773), (44, 1783430), (55, 1426744), (62, 1265660), (88, 891715), (110, 713372), (121, 648520), (124, 632830), (155, 506264), (220, 356686), (242, 324260), (248, 316415), (310, 253132), (341, 230120), (440, 178343), (484, 162130), (523, 150040), (605, 129704), (620, 126566), (682, 115060), (968, 81065), (1046, 75020), (1210, 64852), (1240, 63283), (1364, 57530), (1705, 46024), (2092, 37510), (2420, 32426), (2615, 30008), (2728, 28765), (3410, 23012), (3751, 20920), (4184, 18755), (4840, 16213), (5230, 15004), (5753, 13640), (6820, 11506), (7502, 10460)]