72456176

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:730

約数の個数: 80

約数和(自身を含む): 165489408

約数和(自身を除く): 93033232

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 208, 221, 248, 272, 403, 442, 496, 527, 661, 806, 884, 1054, 1322, 1612, 1768, 2108, 2644, 3224, 3536, 4216, 5288, 6448, 6851, 8432, 8593, 10576, 11237, 13702, 17186, 20491, 22474, 27404, 34372, 40982, 44948, 54808, 68744, 81964, 89896, 109616, 137488, 146081, 163928, 179792, 266383, 292162, 327856, 348347, 532766, 584324, 696694, 1065532, 1168648, 1393388, 2131064, 2337296, 2786776, 4262128, 4528511, 5573552, 9057022, 18114044, 36228088, 72456176]

約数ペア:

[(1, 72456176), (2, 36228088), (4, 18114044), (8, 9057022), (13, 5573552), (16, 4528511), (17, 4262128), (26, 2786776), (31, 2337296), (34, 2131064), (52, 1393388), (62, 1168648), (68, 1065532), (104, 696694), (124, 584324), (136, 532766), (208, 348347), (221, 327856), (248, 292162), (272, 266383), (403, 179792), (442, 163928), (496, 146081), (527, 137488), (661, 109616), (806, 89896), (884, 81964), (1054, 68744), (1322, 54808), (1612, 44948), (1768, 40982), (2108, 34372), (2644, 27404), (3224, 22474), (3536, 20491), (4216, 17186), (5288, 13702), (6448, 11237), (6851, 10576), (8432, 8593)]