12221640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2031

約数の個数: 96

約数和(自身を含む): 42077880

約数和(自身を除く): 29856240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 1997, 2040, 3060, 3994, 5991, 6120, 7988, 9985, 11982, 15976, 17973, 19970, 23964, 29955, 33949, 35946, 39940, 47928, 59910, 67898, 71892, 79880, 89865, 101847, 119820, 135796, 143784, 169745, 179730, 203694, 239640, 271592, 305541, 339490, 359460, 407388, 509235, 611082, 678980, 718920, 814776, 1018470, 1222164, 1357960, 1527705, 2036940, 2444328, 3055410, 4073880, 6110820, 12221640]

約数ペア:

[(1, 12221640), (2, 6110820), (3, 4073880), (4, 3055410), (5, 2444328), (6, 2036940), (8, 1527705), (9, 1357960), (10, 1222164), (12, 1018470), (15, 814776), (17, 718920), (18, 678980), (20, 611082), (24, 509235), (30, 407388), (34, 359460), (36, 339490), (40, 305541), (45, 271592), (51, 239640), (60, 203694), (68, 179730), (72, 169745), (85, 143784), (90, 135796), (102, 119820), (120, 101847), (136, 89865), (153, 79880), (170, 71892), (180, 67898), (204, 59910), (255, 47928), (306, 39940), (340, 35946), (360, 33949), (408, 29955), (510, 23964), (612, 19970), (680, 17973), (765, 15976), (1020, 11982), (1224, 9985), (1530, 7988), (1997, 6120), (2040, 5991), (3060, 3994)]