64728750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:487

約数の個数: 80

約数和(自身を含む): 166109328

約数和(自身を除く): 101380578

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 41, 50, 75, 82, 123, 125, 150, 205, 246, 250, 375, 410, 421, 615, 625, 750, 842, 1025, 1230, 1250, 1263, 1875, 2050, 2105, 2526, 3075, 3750, 4210, 5125, 6150, 6315, 10250, 10525, 12630, 15375, 17261, 21050, 25625, 30750, 31575, 34522, 51250, 51783, 52625, 63150, 76875, 86305, 103566, 105250, 153750, 157875, 172610, 258915, 263125, 315750, 431525, 517830, 526250, 789375, 863050, 1294575, 1578750, 2157625, 2589150, 4315250, 6472875, 10788125, 12945750, 21576250, 32364375, 64728750]

約数ペア:

[(1, 64728750), (2, 32364375), (3, 21576250), (5, 12945750), (6, 10788125), (10, 6472875), (15, 4315250), (25, 2589150), (30, 2157625), (41, 1578750), (50, 1294575), (75, 863050), (82, 789375), (123, 526250), (125, 517830), (150, 431525), (205, 315750), (246, 263125), (250, 258915), (375, 172610), (410, 157875), (421, 153750), (615, 105250), (625, 103566), (750, 86305), (842, 76875), (1025, 63150), (1230, 52625), (1250, 51783), (1263, 51250), (1875, 34522), (2050, 31575), (2105, 30750), (2526, 25625), (3075, 21050), (3750, 17261), (4210, 15375), (5125, 12630), (6150, 10525), (6315, 10250)]