122639720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 331776000

約数和(自身を除く): 209136280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 71, 124, 140, 142, 155, 199, 217, 248, 280, 284, 310, 355, 398, 434, 497, 568, 620, 710, 796, 868, 994, 995, 1085, 1240, 1393, 1420, 1592, 1736, 1988, 1990, 2170, 2201, 2485, 2786, 2840, 3976, 3980, 4340, 4402, 4970, 5572, 6169, 6965, 7960, 8680, 8804, 9940, 11005, 11144, 12338, 13930, 14129, 15407, 17608, 19880, 22010, 24676, 27860, 28258, 30814, 30845, 43183, 44020, 49352, 55720, 56516, 61628, 61690, 70645, 77035, 86366, 88040, 98903, 113032, 123256, 123380, 141290, 154070, 172732, 197806, 215915, 246760, 282580, 308140, 345464, 395612, 431830, 437999, 494515, 565160, 616280, 791224, 863660, 875998, 989030, 1727320, 1751996, 1978060, 2189995, 3065993, 3503992, 3956120, 4379990, 6131986, 8759980, 12263972, 15329965, 17519960, 24527944, 30659930, 61319860, 122639720]

約数ペア:

[(1, 122639720), (2, 61319860), (4, 30659930), (5, 24527944), (7, 17519960), (8, 15329965), (10, 12263972), (14, 8759980), (20, 6131986), (28, 4379990), (31, 3956120), (35, 3503992), (40, 3065993), (56, 2189995), (62, 1978060), (70, 1751996), (71, 1727320), (124, 989030), (140, 875998), (142, 863660), (155, 791224), (199, 616280), (217, 565160), (248, 494515), (280, 437999), (284, 431830), (310, 395612), (355, 345464), (398, 308140), (434, 282580), (497, 246760), (568, 215915), (620, 197806), (710, 172732), (796, 154070), (868, 141290), (994, 123380), (995, 123256), (1085, 113032), (1240, 98903), (1393, 88040), (1420, 86366), (1592, 77035), (1736, 70645), (1988, 61690), (1990, 61628), (2170, 56516), (2201, 55720), (2485, 49352), (2786, 44020), (2840, 43183), (3976, 30845), (3980, 30814), (4340, 28258), (4402, 27860), (4970, 24676), (5572, 22010), (6169, 19880), (6965, 17608), (7960, 15407), (8680, 14129), (8804, 13930), (9940, 12338), (11005, 11144)]