721569408

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{811}}^1$

素因数の和:1166

約数の個数: 128

約数和(自身を含む): 2199805440

約数和(自身を除く): 1478236032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 331, 336, 384, 448, 662, 672, 811, 896, 993, 1324, 1344, 1622, 1986, 2317, 2433, 2648, 2688, 3244, 3972, 4634, 4866, 5296, 5677, 6488, 6951, 7944, 9268, 9732, 10592, 11354, 12976, 13902, 15888, 17031, 18536, 19464, 21184, 22708, 25952, 27804, 31776, 34062, 37072, 38928, 42368, 45416, 51904, 55608, 63552, 68124, 74144, 77856, 90832, 103808, 111216, 127104, 136248, 148288, 155712, 181664, 222432, 268441, 272496, 296576, 311424, 363328, 444864, 536882, 544992, 726656, 805323, 889728, 1073764, 1089984, 1610646, 1879087, 2147528, 2179968, 3221292, 3758174, 4295056, 5637261, 6442584, 7516348, 8590112, 11274522, 12885168, 15032696, 17180224, 22549044, 25770336, 30065392, 34360448, 45098088, 51540672, 60130784, 90196176, 103081344, 120261568, 180392352, 240523136, 360784704, 721569408]

約数ペア:

[(1, 721569408), (2, 360784704), (3, 240523136), (4, 180392352), (6, 120261568), (7, 103081344), (8, 90196176), (12, 60130784), (14, 51540672), (16, 45098088), (21, 34360448), (24, 30065392), (28, 25770336), (32, 22549044), (42, 17180224), (48, 15032696), (56, 12885168), (64, 11274522), (84, 8590112), (96, 7516348), (112, 6442584), (128, 5637261), (168, 4295056), (192, 3758174), (224, 3221292), (331, 2179968), (336, 2147528), (384, 1879087), (448, 1610646), (662, 1089984), (672, 1073764), (811, 889728), (896, 805323), (993, 726656), (1324, 544992), (1344, 536882), (1622, 444864), (1986, 363328), (2317, 311424), (2433, 296576), (2648, 272496), (2688, 268441), (3244, 222432), (3972, 181664), (4634, 155712), (4866, 148288), (5296, 136248), (5677, 127104), (6488, 111216), (6951, 103808), (7944, 90832), (9268, 77856), (9732, 74144), (10592, 68124), (11354, 63552), (12976, 55608), (13902, 51904), (15888, 45416), (17031, 42368), (18536, 38928), (19464, 37072), (21184, 34062), (22708, 31776), (25952, 27804)]