71173520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2609}}^1$

素因数の和:2664

約数の個数: 80

約数和(自身を含む): 186416640

約数和(自身を除く): 115243120

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, 2609, 2728, 3410, 5218, 5456, 6820, 10436, 13045, 13640, 20872, 26090, 27280, 28699, 41744, 52180, 57398, 80879, 104360, 114796, 143495, 161758, 208720, 229592, 286990, 323516, 404395, 459184, 573980, 647032, 808790, 889669, 1147960, 1294064, 1617580, 1779338, 2295920, 3235160, 3558676, 4448345, 6470320, 7117352, 8896690, 14234704, 17793380, 35586760, 71173520]

約数ペア:

[(1, 71173520), (2, 35586760), (4, 17793380), (5, 14234704), (8, 8896690), (10, 7117352), (11, 6470320), (16, 4448345), (20, 3558676), (22, 3235160), (31, 2295920), (40, 1779338), (44, 1617580), (55, 1294064), (62, 1147960), (80, 889669), (88, 808790), (110, 647032), (124, 573980), (155, 459184), (176, 404395), (220, 323516), (248, 286990), (310, 229592), (341, 208720), (440, 161758), (496, 143495), (620, 114796), (682, 104360), (880, 80879), (1240, 57398), (1364, 52180), (1705, 41744), (2480, 28699), (2609, 27280), (2728, 26090), (3410, 20872), (5218, 13640), (5456, 13045), (6820, 10436)]