51863940

素因数分解:

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

素因数の和:1046

約数の個数: 108

約数和(自身を含む): 167286756

約数和(自身を除く): 115422816

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 289, 306, 340, 510, 578, 612, 765, 867, 997, 1020, 1156, 1445, 1530, 1734, 1994, 2601, 2890, 2991, 3060, 3468, 3988, 4335, 4985, 5202, 5780, 5982, 8670, 8973, 9970, 10404, 11964, 13005, 14955, 16949, 17340, 17946, 19940, 26010, 29910, 33898, 35892, 44865, 50847, 52020, 59820, 67796, 84745, 89730, 101694, 152541, 169490, 179460, 203388, 254235, 288133, 305082, 338980, 508470, 576266, 610164, 762705, 864399, 1016940, 1152532, 1440665, 1525410, 1728798, 2593197, 2881330, 3050820, 3457596, 4321995, 5186394, 5762660, 8643990, 10372788, 12965985, 17287980, 25931970, 51863940]

約数ペア:

[(1, 51863940), (2, 25931970), (3, 17287980), (4, 12965985), (5, 10372788), (6, 8643990), (9, 5762660), (10, 5186394), (12, 4321995), (15, 3457596), (17, 3050820), (18, 2881330), (20, 2593197), (30, 1728798), (34, 1525410), (36, 1440665), (45, 1152532), (51, 1016940), (60, 864399), (68, 762705), (85, 610164), (90, 576266), (102, 508470), (153, 338980), (170, 305082), (180, 288133), (204, 254235), (255, 203388), (289, 179460), (306, 169490), (340, 152541), (510, 101694), (578, 89730), (612, 84745), (765, 67796), (867, 59820), (997, 52020), (1020, 50847), (1156, 44865), (1445, 35892), (1530, 33898), (1734, 29910), (1994, 26010), (2601, 19940), (2890, 17946), (2991, 17340), (3060, 16949), (3468, 14955), (3988, 13005), (4335, 11964), (4985, 10404), (5202, 9970), (5780, 8973), (5982, 8670)]