15495040

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 128

約数和(自身を含む): 42301440

約数和(自身を除く): 26806400

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, 284, 310, 320, 341, 352, 355, 440, 496, 568, 620, 640, 682, 704, 710, 781, 880, 992, 1136, 1240, 1364, 1408, 1420, 1562, 1705, 1760, 1984, 2201, 2272, 2480, 2728, 2840, 3124, 3410, 3520, 3905, 3968, 4402, 4544, 4960, 5456, 5680, 6248, 6820, 7040, 7810, 8804, 9088, 9920, 10912, 11005, 11360, 12496, 13640, 15620, 17608, 19840, 21824, 22010, 22720, 24211, 24992, 27280, 31240, 35216, 43648, 44020, 45440, 48422, 49984, 54560, 62480, 70432, 88040, 96844, 99968, 109120, 121055, 124960, 140864, 176080, 193688, 218240, 242110, 249920, 281728, 352160, 387376, 484220, 499840, 704320, 774752, 968440, 1408640, 1549504, 1936880, 3099008, 3873760, 7747520, 15495040]

約数ペア:

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