645348384

素因数分解:

$2^5\times 3^4\times {\mathrm{307}}^1\times {\mathrm{811}}^1$

素因数の和:1140

約数の個数: 120

約数和(自身を含む): 1906481808

約数和(自身を除く): 1261133424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 307, 324, 432, 614, 648, 811, 864, 921, 1228, 1296, 1622, 1842, 2433, 2456, 2592, 2763, 3244, 3684, 4866, 4912, 5526, 6488, 7299, 7368, 8289, 9732, 9824, 11052, 12976, 14598, 14736, 16578, 19464, 21897, 22104, 24867, 25952, 29196, 29472, 33156, 38928, 43794, 44208, 49734, 58392, 65691, 66312, 77856, 87588, 88416, 99468, 116784, 131382, 132624, 175176, 198936, 233568, 248977, 262764, 265248, 350352, 397872, 497954, 525528, 700704, 746931, 795744, 995908, 1051056, 1493862, 1991816, 2102112, 2240793, 2987724, 3983632, 4481586, 5975448, 6722379, 7967264, 8963172, 11950896, 13444758, 17926344, 20167137, 23901792, 26889516, 35852688, 40334274, 53779032, 71705376, 80668548, 107558064, 161337096, 215116128, 322674192, 645348384]

約数ペア:

[(1, 645348384), (2, 322674192), (3, 215116128), (4, 161337096), (6, 107558064), (8, 80668548), (9, 71705376), (12, 53779032), (16, 40334274), (18, 35852688), (24, 26889516), (27, 23901792), (32, 20167137), (36, 17926344), (48, 13444758), (54, 11950896), (72, 8963172), (81, 7967264), (96, 6722379), (108, 5975448), (144, 4481586), (162, 3983632), (216, 2987724), (288, 2240793), (307, 2102112), (324, 1991816), (432, 1493862), (614, 1051056), (648, 995908), (811, 795744), (864, 746931), (921, 700704), (1228, 525528), (1296, 497954), (1622, 397872), (1842, 350352), (2433, 265248), (2456, 262764), (2592, 248977), (2763, 233568), (3244, 198936), (3684, 175176), (4866, 132624), (4912, 131382), (5526, 116784), (6488, 99468), (7299, 88416), (7368, 87588), (8289, 77856), (9732, 66312), (9824, 65691), (11052, 58392), (12976, 49734), (14598, 44208), (14736, 43794), (16578, 38928), (19464, 33156), (21897, 29472), (22104, 29196), (24867, 25952)]