2177759920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{17921}}^1$

素因数の和:17979

約数の個数: 120

約数和(自身を含む): 6080289408

約数和(自身を除く): 3902529488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1519, 1736, 1960, 2170, 2480, 3038, 3472, 3920, 4340, 6076, 7595, 8680, 12152, 15190, 17360, 17921, 24304, 30380, 35842, 60760, 71684, 89605, 121520, 125447, 143368, 179210, 250894, 286736, 358420, 501788, 555551, 627235, 716840, 878129, 1003576, 1111102, 1254470, 1433680, 1756258, 2007152, 2222204, 2508940, 2777755, 3512516, 3888857, 4390645, 4444408, 5017880, 5555510, 7025032, 7777714, 8781290, 8888816, 10035760, 11111020, 14050064, 15555428, 17562580, 19444285, 22222040, 27221999, 31110856, 35125160, 38888570, 44444080, 54443998, 62221712, 70250320, 77777140, 108887996, 136109995, 155554280, 217775992, 272219990, 311108560, 435551984, 544439980, 1088879960, 2177759920]

約数ペア:

[(1, 2177759920), (2, 1088879960), (4, 544439980), (5, 435551984), (7, 311108560), (8, 272219990), (10, 217775992), (14, 155554280), (16, 136109995), (20, 108887996), (28, 77777140), (31, 70250320), (35, 62221712), (40, 54443998), (49, 44444080), (56, 38888570), (62, 35125160), (70, 31110856), (80, 27221999), (98, 22222040), (112, 19444285), (124, 17562580), (140, 15555428), (155, 14050064), (196, 11111020), (217, 10035760), (245, 8888816), (248, 8781290), (280, 7777714), (310, 7025032), (392, 5555510), (434, 5017880), (490, 4444408), (496, 4390645), (560, 3888857), (620, 3512516), (784, 2777755), (868, 2508940), (980, 2222204), (1085, 2007152), (1240, 1756258), (1519, 1433680), (1736, 1254470), (1960, 1111102), (2170, 1003576), (2480, 878129), (3038, 716840), (3472, 627235), (3920, 555551), (4340, 501788), (6076, 358420), (7595, 286736), (8680, 250894), (12152, 179210), (15190, 143368), (17360, 125447), (17921, 121520), (24304, 89605), (30380, 71684), (35842, 60760)]