30990080

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 84768768

約数和(自身を除く): 53778688

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, 568, 620, 640, 682, 704, 710, 781, 880, 992, 1136, 1240, 1280, 1364, 1408, 1420, 1562, 1705, 1760, 1984, 2201, 2272, 2480, 2728, 2816, 2840, 3124, 3410, 3520, 3905, 3968, 4402, 4544, 4960, 5456, 5680, 6248, 6820, 7040, 7810, 7936, 8804, 9088, 9920, 10912, 11005, 11360, 12496, 13640, 14080, 15620, 17608, 18176, 19840, 21824, 22010, 22720, 24211, 24992, 27280, 31240, 35216, 39680, 43648, 44020, 45440, 48422, 49984, 54560, 62480, 70432, 87296, 88040, 90880, 96844, 99968, 109120, 121055, 124960, 140864, 176080, 193688, 199936, 218240, 242110, 249920, 281728, 352160, 387376, 436480, 484220, 499840, 563456, 704320, 774752, 968440, 999680, 1408640, 1549504, 1936880, 2817280, 3099008, 3873760, 6198016, 7747520, 15495040, 30990080]

約数ペア:

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