61980160

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 160

約数和(自身を含む): 169703424

約数和(自身を除く): 107723264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 71, 80, 88, 110, 124, 128, 142, 155, 160, 176, 220, 248, 256, 284, 310, 320, 341, 352, 355, 440, 496, 512, 568, 620, 640, 682, 704, 710, 781, 880, 992, 1136, 1240, 1280, 1364, 1408, 1420, 1562, 1705, 1760, 1984, 2201, 2272, 2480, 2560, 2728, 2816, 2840, 3124, 3410, 3520, 3905, 3968, 4402, 4544, 4960, 5456, 5632, 5680, 6248, 6820, 7040, 7810, 7936, 8804, 9088, 9920, 10912, 11005, 11360, 12496, 13640, 14080, 15620, 15872, 17608, 18176, 19840, 21824, 22010, 22720, 24211, 24992, 27280, 28160, 31240, 35216, 36352, 39680, 43648, 44020, 45440, 48422, 49984, 54560, 62480, 70432, 79360, 87296, 88040, 90880, 96844, 99968, 109120, 121055, 124960, 140864, 174592, 176080, 181760, 193688, 199936, 218240, 242110, 249920, 281728, 352160, 387376, 399872, 436480, 484220, 499840, 563456, 704320, 774752, 872960, 968440, 999680, 1126912, 1408640, 1549504, 1936880, 1999360, 2817280, 3099008, 3873760, 5634560, 6198016, 7747520, 12396032, 15495040, 30990080, 61980160]

約数ペア:

[(1, 61980160), (2, 30990080), (4, 15495040), (5, 12396032), (8, 7747520), (10, 6198016), (11, 5634560), (16, 3873760), (20, 3099008), (22, 2817280), (31, 1999360), (32, 1936880), (40, 1549504), (44, 1408640), (55, 1126912), (62, 999680), (64, 968440), (71, 872960), (80, 774752), (88, 704320), (110, 563456), (124, 499840), (128, 484220), (142, 436480), (155, 399872), (160, 387376), (176, 352160), (220, 281728), (248, 249920), (256, 242110), (284, 218240), (310, 199936), (320, 193688), (341, 181760), (352, 176080), (355, 174592), (440, 140864), (496, 124960), (512, 121055), (568, 109120), (620, 99968), (640, 96844), (682, 90880), (704, 88040), (710, 87296), (781, 79360), (880, 70432), (992, 62480), (1136, 54560), (1240, 49984), (1280, 48422), (1364, 45440), (1408, 44020), (1420, 43648), (1562, 39680), (1705, 36352), (1760, 35216), (1984, 31240), (2201, 28160), (2272, 27280), (2480, 24992), (2560, 24211), (2728, 22720), (2816, 22010), (2840, 21824), (3124, 19840), (3410, 18176), (3520, 17608), (3905, 15872), (3968, 15620), (4402, 14080), (4544, 13640), (4960, 12496), (5456, 11360), (5632, 11005), (5680, 10912), (6248, 9920), (6820, 9088), (7040, 8804), (7810, 7936)]