281391216

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:367

約数の個数: 160

約数和(自身を含む): 814233600

約数和(自身を除く): 532842384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 37, 38, 48, 57, 62, 74, 76, 93, 111, 114, 124, 148, 152, 186, 222, 228, 248, 269, 296, 304, 372, 444, 456, 496, 538, 589, 592, 703, 744, 807, 888, 912, 1076, 1147, 1178, 1406, 1488, 1614, 1767, 1776, 2109, 2152, 2294, 2356, 2812, 3228, 3441, 3534, 4218, 4304, 4588, 4712, 5111, 5624, 6456, 6882, 7068, 8339, 8436, 9176, 9424, 9953, 10222, 11248, 12912, 13764, 14136, 15333, 16678, 16872, 18352, 19906, 20444, 21793, 25017, 27528, 28272, 29859, 30666, 33356, 33744, 39812, 40888, 43586, 50034, 55056, 59718, 61332, 65379, 66712, 79624, 81776, 87172, 100068, 119436, 122664, 130758, 133424, 158441, 159248, 174344, 189107, 200136, 238872, 245328, 261516, 308543, 316882, 348688, 378214, 400272, 475323, 477744, 523032, 567321, 617086, 633764, 756428, 925629, 950646, 1046064, 1134642, 1234172, 1267528, 1512856, 1851258, 1901292, 2269284, 2468344, 2535056, 3025712, 3702516, 3802584, 4538568, 4936688, 5862317, 7405032, 7605168, 9077136, 11724634, 14810064, 17586951, 23449268, 35173902, 46898536, 70347804, 93797072, 140695608, 281391216]

約数ペア:

[(1, 281391216), (2, 140695608), (3, 93797072), (4, 70347804), (6, 46898536), (8, 35173902), (12, 23449268), (16, 17586951), (19, 14810064), (24, 11724634), (31, 9077136), (37, 7605168), (38, 7405032), (48, 5862317), (57, 4936688), (62, 4538568), (74, 3802584), (76, 3702516), (93, 3025712), (111, 2535056), (114, 2468344), (124, 2269284), (148, 1901292), (152, 1851258), (186, 1512856), (222, 1267528), (228, 1234172), (248, 1134642), (269, 1046064), (296, 950646), (304, 925629), (372, 756428), (444, 633764), (456, 617086), (496, 567321), (538, 523032), (589, 477744), (592, 475323), (703, 400272), (744, 378214), (807, 348688), (888, 316882), (912, 308543), (1076, 261516), (1147, 245328), (1178, 238872), (1406, 200136), (1488, 189107), (1614, 174344), (1767, 159248), (1776, 158441), (2109, 133424), (2152, 130758), (2294, 122664), (2356, 119436), (2812, 100068), (3228, 87172), (3441, 81776), (3534, 79624), (4218, 66712), (4304, 65379), (4588, 61332), (4712, 59718), (5111, 55056), (5624, 50034), (6456, 43586), (6882, 40888), (7068, 39812), (8339, 33744), (8436, 33356), (9176, 30666), (9424, 29859), (9953, 28272), (10222, 27528), (11248, 25017), (12912, 21793), (13764, 20444), (14136, 19906), (15333, 18352), (16678, 16872)]