281528856

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:574

約数の個数: 192

約数和(自身を含む): 925716480

約数和(自身を除く): 644187624

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 37, 42, 56, 62, 63, 72, 74, 84, 93, 111, 124, 126, 148, 168, 186, 217, 222, 248, 252, 259, 279, 296, 333, 372, 434, 444, 487, 504, 518, 558, 651, 666, 744, 777, 868, 888, 974, 1036, 1116, 1147, 1302, 1332, 1461, 1554, 1736, 1948, 1953, 2072, 2232, 2294, 2331, 2604, 2664, 2922, 3108, 3409, 3441, 3896, 3906, 4383, 4588, 4662, 5208, 5844, 6216, 6818, 6882, 7812, 8029, 8766, 9176, 9324, 10227, 10323, 11688, 13636, 13764, 15097, 15624, 16058, 17532, 18019, 18648, 20454, 20646, 24087, 27272, 27528, 30194, 30681, 32116, 35064, 36038, 40908, 41292, 45291, 48174, 54057, 60388, 61362, 64232, 72076, 72261, 81816, 82584, 90582, 96348, 105679, 108114, 120776, 122724, 126133, 135873, 144152, 144522, 162171, 181164, 192696, 211358, 216228, 245448, 252266, 271746, 289044, 317037, 324342, 362328, 378399, 422716, 432456, 504532, 543492, 558589, 578088, 634074, 648684, 756798, 845432, 951111, 1009064, 1086984, 1117178, 1135197, 1268148, 1297368, 1513596, 1675767, 1902222, 2234356, 2270394, 2536296, 3027192, 3351534, 3804444, 3910123, 4468712, 4540788, 5027301, 6703068, 7608888, 7820246, 9081576, 10054602, 11730369, 13406136, 15640492, 20109204, 23460738, 31280984, 35191107, 40218408, 46921476, 70382214, 93842952, 140764428, 281528856]

約数ペア:

[(1, 281528856), (2, 140764428), (3, 93842952), (4, 70382214), (6, 46921476), (7, 40218408), (8, 35191107), (9, 31280984), (12, 23460738), (14, 20109204), (18, 15640492), (21, 13406136), (24, 11730369), (28, 10054602), (31, 9081576), (36, 7820246), (37, 7608888), (42, 6703068), (56, 5027301), (62, 4540788), (63, 4468712), (72, 3910123), (74, 3804444), (84, 3351534), (93, 3027192), (111, 2536296), (124, 2270394), (126, 2234356), (148, 1902222), (168, 1675767), (186, 1513596), (217, 1297368), (222, 1268148), (248, 1135197), (252, 1117178), (259, 1086984), (279, 1009064), (296, 951111), (333, 845432), (372, 756798), (434, 648684), (444, 634074), (487, 578088), (504, 558589), (518, 543492), (558, 504532), (651, 432456), (666, 422716), (744, 378399), (777, 362328), (868, 324342), (888, 317037), (974, 289044), (1036, 271746), (1116, 252266), (1147, 245448), (1302, 216228), (1332, 211358), (1461, 192696), (1554, 181164), (1736, 162171), (1948, 144522), (1953, 144152), (2072, 135873), (2232, 126133), (2294, 122724), (2331, 120776), (2604, 108114), (2664, 105679), (2922, 96348), (3108, 90582), (3409, 82584), (3441, 81816), (3896, 72261), (3906, 72076), (4383, 64232), (4588, 61362), (4662, 60388), (5208, 54057), (5844, 48174), (6216, 45291), (6818, 41292), (6882, 40908), (7812, 36038), (8029, 35064), (8766, 32116), (9176, 30681), (9324, 30194), (10227, 27528), (10323, 27272), (11688, 24087), (13636, 20646), (13764, 20454), (15097, 18648), (15624, 18019), (16058, 17532)]