198874920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:515

約数の個数: 128

約数和(自身を含む): 621296640

約数和(自身を除く): 422421720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 193, 248, 277, 310, 372, 386, 465, 554, 579, 620, 744, 772, 831, 930, 965, 1108, 1158, 1240, 1385, 1544, 1662, 1860, 1930, 2216, 2316, 2770, 2895, 3324, 3720, 3860, 4155, 4632, 5540, 5790, 5983, 6648, 7720, 8310, 8587, 11080, 11580, 11966, 16620, 17174, 17949, 23160, 23932, 25761, 29915, 33240, 34348, 35898, 42935, 47864, 51522, 53461, 59830, 68696, 71796, 85870, 89745, 103044, 106922, 119660, 128805, 143592, 160383, 171740, 179490, 206088, 213844, 239320, 257610, 267305, 320766, 343480, 358980, 427688, 515220, 534610, 641532, 717960, 801915, 1030440, 1069220, 1283064, 1603830, 1657291, 2138440, 3207660, 3314582, 4971873, 6415320, 6629164, 8286455, 9943746, 13258328, 16572910, 19887492, 24859365, 33145820, 39774984, 49718730, 66291640, 99437460, 198874920]

約数ペア:

[(1, 198874920), (2, 99437460), (3, 66291640), (4, 49718730), (5, 39774984), (6, 33145820), (8, 24859365), (10, 19887492), (12, 16572910), (15, 13258328), (20, 9943746), (24, 8286455), (30, 6629164), (31, 6415320), (40, 4971873), (60, 3314582), (62, 3207660), (93, 2138440), (120, 1657291), (124, 1603830), (155, 1283064), (186, 1069220), (193, 1030440), (248, 801915), (277, 717960), (310, 641532), (372, 534610), (386, 515220), (465, 427688), (554, 358980), (579, 343480), (620, 320766), (744, 267305), (772, 257610), (831, 239320), (930, 213844), (965, 206088), (1108, 179490), (1158, 171740), (1240, 160383), (1385, 143592), (1544, 128805), (1662, 119660), (1860, 106922), (1930, 103044), (2216, 89745), (2316, 85870), (2770, 71796), (2895, 68696), (3324, 59830), (3720, 53461), (3860, 51522), (4155, 47864), (4632, 42935), (5540, 35898), (5790, 34348), (5983, 33240), (6648, 29915), (7720, 25761), (8310, 23932), (8587, 23160), (11080, 17949), (11580, 17174), (11966, 16620)]