17287980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{997}}^1$

素因数の和:1043

約数の個数: 72

約数和(自身を含む): 51472848

約数和(自身を除く): 34184868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 510, 578, 867, 997, 1020, 1156, 1445, 1734, 1994, 2890, 2991, 3468, 3988, 4335, 4985, 5780, 5982, 8670, 9970, 11964, 14955, 16949, 17340, 19940, 29910, 33898, 50847, 59820, 67796, 84745, 101694, 169490, 203388, 254235, 288133, 338980, 508470, 576266, 864399, 1016940, 1152532, 1440665, 1728798, 2881330, 3457596, 4321995, 5762660, 8643990, 17287980]

約数ペア:

[(1, 17287980), (2, 8643990), (3, 5762660), (4, 4321995), (5, 3457596), (6, 2881330), (10, 1728798), (12, 1440665), (15, 1152532), (17, 1016940), (20, 864399), (30, 576266), (34, 508470), (51, 338980), (60, 288133), (68, 254235), (85, 203388), (102, 169490), (170, 101694), (204, 84745), (255, 67796), (289, 59820), (340, 50847), (510, 33898), (578, 29910), (867, 19940), (997, 17340), (1020, 16949), (1156, 14955), (1445, 11964), (1734, 9970), (1994, 8670), (2890, 5982), (2991, 5780), (3468, 4985), (3988, 4335)]