681409152

素因数分解:

$2^7\times 3^3\times {\mathrm{71}}^1\times {\mathrm{2777}}^1$

素因数の和:2871

約数の個数: 128

約数和(自身を含む): 2040163200

約数和(自身を除く): 1358754048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 71, 72, 96, 108, 128, 142, 144, 192, 213, 216, 284, 288, 384, 426, 432, 568, 576, 639, 852, 864, 1136, 1152, 1278, 1704, 1728, 1917, 2272, 2556, 2777, 3408, 3456, 3834, 4544, 5112, 5554, 6816, 7668, 8331, 9088, 10224, 11108, 13632, 15336, 16662, 20448, 22216, 24993, 27264, 30672, 33324, 40896, 44432, 49986, 61344, 66648, 74979, 81792, 88864, 99972, 122688, 133296, 149958, 177728, 197167, 199944, 245376, 266592, 299916, 355456, 394334, 399888, 533184, 591501, 599832, 788668, 799776, 1066368, 1183002, 1199664, 1577336, 1599552, 1774503, 2366004, 2399328, 3154672, 3199104, 3549006, 4732008, 4798656, 5323509, 6309344, 7098012, 9464016, 9597312, 10647018, 12618688, 14196024, 18928032, 21294036, 25237376, 28392048, 37856064, 42588072, 56784096, 75712128, 85176144, 113568192, 170352288, 227136384, 340704576, 681409152]

約数ペア:

[(1, 681409152), (2, 340704576), (3, 227136384), (4, 170352288), (6, 113568192), (8, 85176144), (9, 75712128), (12, 56784096), (16, 42588072), (18, 37856064), (24, 28392048), (27, 25237376), (32, 21294036), (36, 18928032), (48, 14196024), (54, 12618688), (64, 10647018), (71, 9597312), (72, 9464016), (96, 7098012), (108, 6309344), (128, 5323509), (142, 4798656), (144, 4732008), (192, 3549006), (213, 3199104), (216, 3154672), (284, 2399328), (288, 2366004), (384, 1774503), (426, 1599552), (432, 1577336), (568, 1199664), (576, 1183002), (639, 1066368), (852, 799776), (864, 788668), (1136, 599832), (1152, 591501), (1278, 533184), (1704, 399888), (1728, 394334), (1917, 355456), (2272, 299916), (2556, 266592), (2777, 245376), (3408, 199944), (3456, 197167), (3834, 177728), (4544, 149958), (5112, 133296), (5554, 122688), (6816, 99972), (7668, 88864), (8331, 81792), (9088, 74979), (10224, 66648), (11108, 61344), (13632, 49986), (15336, 44432), (16662, 40896), (20448, 33324), (22216, 30672), (24993, 27264)]