12641580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 44728320

約数和(自身を除く): 32086740

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, 79, 84, 90, 105, 126, 127, 140, 158, 180, 210, 237, 252, 254, 315, 316, 381, 395, 420, 474, 508, 553, 630, 635, 711, 762, 790, 889, 948, 1106, 1143, 1185, 1260, 1270, 1422, 1524, 1580, 1659, 1778, 1905, 2212, 2286, 2370, 2540, 2667, 2765, 2844, 3318, 3555, 3556, 3810, 4445, 4572, 4740, 4977, 5334, 5530, 5715, 6636, 7110, 7620, 8001, 8295, 8890, 9954, 10033, 10668, 11060, 11430, 13335, 14220, 16002, 16590, 17780, 19908, 20066, 22860, 24885, 26670, 30099, 32004, 33180, 40005, 40132, 49770, 50165, 53340, 60198, 70231, 80010, 90297, 99540, 100330, 120396, 140462, 150495, 160020, 180594, 200660, 210693, 280924, 300990, 351155, 361188, 421386, 451485, 601980, 632079, 702310, 842772, 902970, 1053465, 1264158, 1404620, 1805940, 2106930, 2528316, 3160395, 4213860, 6320790, 12641580]

約数ペア:

[(1, 12641580), (2, 6320790), (3, 4213860), (4, 3160395), (5, 2528316), (6, 2106930), (7, 1805940), (9, 1404620), (10, 1264158), (12, 1053465), (14, 902970), (15, 842772), (18, 702310), (20, 632079), (21, 601980), (28, 451485), (30, 421386), (35, 361188), (36, 351155), (42, 300990), (45, 280924), (60, 210693), (63, 200660), (70, 180594), (79, 160020), (84, 150495), (90, 140462), (105, 120396), (126, 100330), (127, 99540), (140, 90297), (158, 80010), (180, 70231), (210, 60198), (237, 53340), (252, 50165), (254, 49770), (315, 40132), (316, 40005), (381, 33180), (395, 32004), (420, 30099), (474, 26670), (508, 24885), (553, 22860), (630, 20066), (635, 19908), (711, 17780), (762, 16590), (790, 16002), (889, 14220), (948, 13335), (1106, 11430), (1143, 11060), (1185, 10668), (1260, 10033), (1270, 9954), (1422, 8890), (1524, 8295), (1580, 8001), (1659, 7620), (1778, 7110), (1905, 6636), (2212, 5715), (2286, 5530), (2370, 5334), (2540, 4977), (2667, 4740), (2765, 4572), (2844, 4445), (3318, 3810), (3555, 3556)]