254919480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:573

約数の個数: 128

約数和(自身を含む): 790732800

約数和(自身を除く): 535813320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 127, 129, 172, 215, 254, 258, 344, 381, 389, 430, 508, 516, 635, 645, 762, 778, 860, 1016, 1032, 1167, 1270, 1290, 1524, 1556, 1720, 1905, 1945, 2334, 2540, 2580, 3048, 3112, 3810, 3890, 4668, 5080, 5160, 5461, 5835, 7620, 7780, 9336, 10922, 11670, 15240, 15560, 16383, 16727, 21844, 23340, 27305, 32766, 33454, 43688, 46680, 49403, 50181, 54610, 65532, 66908, 81915, 83635, 98806, 100362, 109220, 131064, 133816, 148209, 163830, 167270, 197612, 200724, 218440, 247015, 250905, 296418, 327660, 334540, 395224, 401448, 494030, 501810, 592836, 655320, 669080, 741045, 988060, 1003620, 1185672, 1482090, 1976120, 2007240, 2124329, 2964180, 4248658, 5928360, 6372987, 8497316, 10621645, 12745974, 16994632, 21243290, 25491948, 31864935, 42486580, 50983896, 63729870, 84973160, 127459740, 254919480]

約数ペア:

[(1, 254919480), (2, 127459740), (3, 84973160), (4, 63729870), (5, 50983896), (6, 42486580), (8, 31864935), (10, 25491948), (12, 21243290), (15, 16994632), (20, 12745974), (24, 10621645), (30, 8497316), (40, 6372987), (43, 5928360), (60, 4248658), (86, 2964180), (120, 2124329), (127, 2007240), (129, 1976120), (172, 1482090), (215, 1185672), (254, 1003620), (258, 988060), (344, 741045), (381, 669080), (389, 655320), (430, 592836), (508, 501810), (516, 494030), (635, 401448), (645, 395224), (762, 334540), (778, 327660), (860, 296418), (1016, 250905), (1032, 247015), (1167, 218440), (1270, 200724), (1290, 197612), (1524, 167270), (1556, 163830), (1720, 148209), (1905, 133816), (1945, 131064), (2334, 109220), (2540, 100362), (2580, 98806), (3048, 83635), (3112, 81915), (3810, 66908), (3890, 65532), (4668, 54610), (5080, 50181), (5160, 49403), (5461, 46680), (5835, 43688), (7620, 33454), (7780, 32766), (9336, 27305), (10922, 23340), (11670, 21844), (15240, 16727), (15560, 16383)]