74887890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1907}}^1$

素因数の和:1952

約数の個数: 128

約数和(自身を含む): 237385728

約数和(自身を除く): 162497838

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 17, 21, 22, 30, 33, 34, 35, 42, 51, 55, 66, 70, 77, 85, 102, 105, 110, 119, 154, 165, 170, 187, 210, 231, 238, 255, 330, 357, 374, 385, 462, 510, 561, 595, 714, 770, 935, 1122, 1155, 1190, 1309, 1785, 1870, 1907, 2310, 2618, 2805, 3570, 3814, 3927, 5610, 5721, 6545, 7854, 9535, 11442, 13090, 13349, 19070, 19635, 20977, 26698, 28605, 32419, 39270, 40047, 41954, 57210, 62931, 64838, 66745, 80094, 97257, 104885, 125862, 133490, 146839, 162095, 194514, 200235, 209770, 226933, 293678, 314655, 324190, 356609, 400470, 440517, 453866, 486285, 629310, 680799, 713218, 734195, 881034, 972570, 1069827, 1134665, 1361598, 1468390, 1783045, 2139654, 2202585, 2269330, 2496263, 3403995, 3566090, 4405170, 4992526, 5349135, 6807990, 7488789, 10698270, 12481315, 14977578, 24962630, 37443945, 74887890]

約数ペア:

[(1, 74887890), (2, 37443945), (3, 24962630), (5, 14977578), (6, 12481315), (7, 10698270), (10, 7488789), (11, 6807990), (14, 5349135), (15, 4992526), (17, 4405170), (21, 3566090), (22, 3403995), (30, 2496263), (33, 2269330), (34, 2202585), (35, 2139654), (42, 1783045), (51, 1468390), (55, 1361598), (66, 1134665), (70, 1069827), (77, 972570), (85, 881034), (102, 734195), (105, 713218), (110, 680799), (119, 629310), (154, 486285), (165, 453866), (170, 440517), (187, 400470), (210, 356609), (231, 324190), (238, 314655), (255, 293678), (330, 226933), (357, 209770), (374, 200235), (385, 194514), (462, 162095), (510, 146839), (561, 133490), (595, 125862), (714, 104885), (770, 97257), (935, 80094), (1122, 66745), (1155, 64838), (1190, 62931), (1309, 57210), (1785, 41954), (1870, 40047), (1907, 39270), (2310, 32419), (2618, 28605), (2805, 26698), (3570, 20977), (3814, 19635), (3927, 19070), (5610, 13349), (5721, 13090), (6545, 11442), (7854, 9535)]