18115903960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{74453}}^1$

素因数の和:74561

約数の個数: 128

約数和(自身を含む): 51462604800

約数和(自身を除く): 33346700840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 79, 88, 110, 140, 154, 158, 220, 280, 308, 316, 385, 395, 440, 553, 616, 632, 770, 790, 869, 1106, 1540, 1580, 1738, 2212, 2765, 3080, 3160, 3476, 4345, 4424, 5530, 6083, 6952, 8690, 11060, 12166, 17380, 22120, 24332, 30415, 34760, 48664, 60830, 74453, 121660, 148906, 243320, 297812, 372265, 521171, 595624, 744530, 818983, 1042342, 1489060, 1637966, 2084684, 2605855, 2978120, 3275932, 4094915, 4169368, 5211710, 5732881, 5881787, 6551864, 8189830, 10423420, 11465762, 11763574, 16379660, 20846840, 22931524, 23527148, 28664405, 29408935, 32759320, 41172509, 45863048, 47054296, 57328810, 58817870, 64699657, 82345018, 114657620, 117635740, 129399314, 164690036, 205862545, 229315240, 235271480, 258798628, 323498285, 329380072, 411725090, 452897599, 517597256, 646996570, 823450180, 905795198, 1293993140, 1646900360, 1811590396, 2264487995, 2587986280, 3623180792, 4528975990, 9057951980, 18115903960]

約数ペア:

[(1, 18115903960), (2, 9057951980), (4, 4528975990), (5, 3623180792), (7, 2587986280), (8, 2264487995), (10, 1811590396), (11, 1646900360), (14, 1293993140), (20, 905795198), (22, 823450180), (28, 646996570), (35, 517597256), (40, 452897599), (44, 411725090), (55, 329380072), (56, 323498285), (70, 258798628), (77, 235271480), (79, 229315240), (88, 205862545), (110, 164690036), (140, 129399314), (154, 117635740), (158, 114657620), (220, 82345018), (280, 64699657), (308, 58817870), (316, 57328810), (385, 47054296), (395, 45863048), (440, 41172509), (553, 32759320), (616, 29408935), (632, 28664405), (770, 23527148), (790, 22931524), (869, 20846840), (1106, 16379660), (1540, 11763574), (1580, 11465762), (1738, 10423420), (2212, 8189830), (2765, 6551864), (3080, 5881787), (3160, 5732881), (3476, 5211710), (4345, 4169368), (4424, 4094915), (5530, 3275932), (6083, 2978120), (6952, 2605855), (8690, 2084684), (11060, 1637966), (12166, 1489060), (17380, 1042342), (22120, 818983), (24332, 744530), (30415, 595624), (34760, 521171), (48664, 372265), (60830, 297812), (74453, 243320), (121660, 148906)]