252671580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1579}}^1$

素因数の和:1728

約数の個数: 144

約数和(自身を含む): 883384320

約数和(自身を除く): 630712740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 127, 140, 180, 210, 252, 254, 315, 381, 420, 508, 630, 635, 762, 889, 1143, 1260, 1270, 1524, 1579, 1778, 1905, 2286, 2540, 2667, 3158, 3556, 3810, 4445, 4572, 4737, 5334, 5715, 6316, 7620, 7895, 8001, 8890, 9474, 10668, 11053, 11430, 13335, 14211, 15790, 16002, 17780, 18948, 22106, 22860, 23685, 26670, 28422, 31580, 32004, 33159, 40005, 44212, 47370, 53340, 55265, 56844, 66318, 71055, 80010, 94740, 99477, 110530, 132636, 142110, 160020, 165795, 198954, 200533, 221060, 284220, 331590, 397908, 401066, 497385, 601599, 663180, 802132, 994770, 1002665, 1203198, 1403731, 1804797, 1989540, 2005330, 2406396, 2807462, 3007995, 3609594, 4010660, 4211193, 5614924, 6015990, 7018655, 7219188, 8422386, 9023985, 12031980, 12633579, 14037310, 16844772, 18047970, 21055965, 25267158, 28074620, 36095940, 42111930, 50534316, 63167895, 84223860, 126335790, 252671580]

約数ペア:

[(1, 252671580), (2, 126335790), (3, 84223860), (4, 63167895), (5, 50534316), (6, 42111930), (7, 36095940), (9, 28074620), (10, 25267158), (12, 21055965), (14, 18047970), (15, 16844772), (18, 14037310), (20, 12633579), (21, 12031980), (28, 9023985), (30, 8422386), (35, 7219188), (36, 7018655), (42, 6015990), (45, 5614924), (60, 4211193), (63, 4010660), (70, 3609594), (84, 3007995), (90, 2807462), (105, 2406396), (126, 2005330), (127, 1989540), (140, 1804797), (180, 1403731), (210, 1203198), (252, 1002665), (254, 994770), (315, 802132), (381, 663180), (420, 601599), (508, 497385), (630, 401066), (635, 397908), (762, 331590), (889, 284220), (1143, 221060), (1260, 200533), (1270, 198954), (1524, 165795), (1579, 160020), (1778, 142110), (1905, 132636), (2286, 110530), (2540, 99477), (2667, 94740), (3158, 80010), (3556, 71055), (3810, 66318), (4445, 56844), (4572, 55265), (4737, 53340), (5334, 47370), (5715, 44212), (6316, 40005), (7620, 33159), (7895, 32004), (8001, 31580), (8890, 28422), (9474, 26670), (10668, 23685), (11053, 22860), (11430, 22106), (13335, 18948), (14211, 17780), (15790, 16002)]