338748160

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8537}}^1$

素因数の和:8589

約数の個数: 72

約数和(自身を含む): 837680256

約数和(自身を除く): 498932096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 8537, 9920, 17074, 19840, 34148, 39680, 42685, 68296, 85370, 136592, 170740, 264647, 273184, 341480, 529294, 546368, 682960, 1058588, 1092736, 1323235, 1365920, 2117176, 2185472, 2646470, 2731840, 4234352, 5292940, 5463680, 8468704, 10585880, 10927360, 16937408, 21171760, 33874816, 42343520, 67749632, 84687040, 169374080, 338748160]

約数ペア:

[(1, 338748160), (2, 169374080), (4, 84687040), (5, 67749632), (8, 42343520), (10, 33874816), (16, 21171760), (20, 16937408), (31, 10927360), (32, 10585880), (40, 8468704), (62, 5463680), (64, 5292940), (80, 4234352), (124, 2731840), (128, 2646470), (155, 2185472), (160, 2117176), (248, 1365920), (256, 1323235), (310, 1092736), (320, 1058588), (496, 682960), (620, 546368), (640, 529294), (992, 341480), (1240, 273184), (1280, 264647), (1984, 170740), (2480, 136592), (3968, 85370), (4960, 68296), (7936, 42685), (8537, 39680), (9920, 34148), (17074, 19840)]