318417680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2801}}^1$

素因数の和:2857

約数の個数: 120

約数和(自身を含む): 891204120

約数和(自身を除く): 572786440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 196, 203, 232, 245, 280, 290, 392, 406, 464, 490, 560, 580, 784, 812, 980, 1015, 1160, 1421, 1624, 1960, 2030, 2320, 2801, 2842, 3248, 3920, 4060, 5602, 5684, 7105, 8120, 11204, 11368, 14005, 14210, 16240, 19607, 22408, 22736, 28010, 28420, 39214, 44816, 56020, 56840, 78428, 81229, 98035, 112040, 113680, 137249, 156856, 162458, 196070, 224080, 274498, 313712, 324916, 392140, 406145, 548996, 568603, 649832, 686245, 784280, 812290, 1097992, 1137206, 1299664, 1372490, 1568560, 1624580, 2195984, 2274412, 2744980, 2843015, 3249160, 3980221, 4548824, 5489960, 5686030, 6498320, 7960442, 9097648, 10979920, 11372060, 15920884, 19901105, 22744120, 31841768, 39802210, 45488240, 63683536, 79604420, 159208840, 318417680]

約数ペア:

[(1, 318417680), (2, 159208840), (4, 79604420), (5, 63683536), (7, 45488240), (8, 39802210), (10, 31841768), (14, 22744120), (16, 19901105), (20, 15920884), (28, 11372060), (29, 10979920), (35, 9097648), (40, 7960442), (49, 6498320), (56, 5686030), (58, 5489960), (70, 4548824), (80, 3980221), (98, 3249160), (112, 2843015), (116, 2744980), (140, 2274412), (145, 2195984), (196, 1624580), (203, 1568560), (232, 1372490), (245, 1299664), (280, 1137206), (290, 1097992), (392, 812290), (406, 784280), (464, 686245), (490, 649832), (560, 568603), (580, 548996), (784, 406145), (812, 392140), (980, 324916), (1015, 313712), (1160, 274498), (1421, 224080), (1624, 196070), (1960, 162458), (2030, 156856), (2320, 137249), (2801, 113680), (2842, 112040), (3248, 98035), (3920, 81229), (4060, 78428), (5602, 56840), (5684, 56020), (7105, 44816), (8120, 39214), (11204, 28420), (11368, 28010), (14005, 22736), (14210, 22408), (16240, 19607)]