315416320

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7949}}^1$

素因数の和:8001

約数の個数: 72

約数和(自身を含む): 779990400

約数和(自身を除く): 464574080

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, 7949, 9920, 15898, 19840, 31796, 39680, 39745, 63592, 79490, 127184, 158980, 246419, 254368, 317960, 492838, 508736, 635920, 985676, 1017472, 1232095, 1271840, 1971352, 2034944, 2464190, 2543680, 3942704, 4928380, 5087360, 7885408, 9856760, 10174720, 15770816, 19713520, 31541632, 39427040, 63083264, 78854080, 157708160, 315416320]

約数ペア:

[(1, 315416320), (2, 157708160), (4, 78854080), (5, 63083264), (8, 39427040), (10, 31541632), (16, 19713520), (20, 15770816), (31, 10174720), (32, 9856760), (40, 7885408), (62, 5087360), (64, 4928380), (80, 3942704), (124, 2543680), (128, 2464190), (155, 2034944), (160, 1971352), (248, 1271840), (256, 1232095), (310, 1017472), (320, 985676), (496, 635920), (620, 508736), (640, 492838), (992, 317960), (1240, 254368), (1280, 246419), (1984, 158980), (2480, 127184), (3968, 79490), (4960, 63592), (7936, 39745), (7949, 39680), (9920, 31796), (15898, 19840)]