79179880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 128

約数和(自身を含む): 208202400

約数和(自身を除く): 129022520

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 53, 65, 68, 85, 104, 106, 130, 136, 169, 170, 212, 221, 260, 265, 338, 340, 424, 442, 520, 530, 676, 680, 689, 845, 884, 901, 1060, 1105, 1352, 1378, 1690, 1768, 1802, 2120, 2197, 2210, 2756, 2873, 3380, 3445, 3604, 4394, 4420, 4505, 5512, 5746, 6760, 6890, 7208, 8788, 8840, 8957, 9010, 10985, 11492, 11713, 13780, 14365, 17576, 17914, 18020, 21970, 22984, 23426, 27560, 28730, 35828, 36040, 37349, 43940, 44785, 46852, 57460, 58565, 71656, 74698, 87880, 89570, 93704, 114920, 116441, 117130, 149396, 152269, 179140, 186745, 232882, 234260, 298792, 304538, 358280, 373490, 465764, 468520, 582205, 609076, 746980, 761345, 931528, 1164410, 1218152, 1493960, 1522690, 1979497, 2328820, 3045380, 3958994, 4657640, 6090760, 7917988, 9897485, 15835976, 19794970, 39589940, 79179880]

約数ペア:

[(1, 79179880), (2, 39589940), (4, 19794970), (5, 15835976), (8, 9897485), (10, 7917988), (13, 6090760), (17, 4657640), (20, 3958994), (26, 3045380), (34, 2328820), (40, 1979497), (52, 1522690), (53, 1493960), (65, 1218152), (68, 1164410), (85, 931528), (104, 761345), (106, 746980), (130, 609076), (136, 582205), (169, 468520), (170, 465764), (212, 373490), (221, 358280), (260, 304538), (265, 298792), (338, 234260), (340, 232882), (424, 186745), (442, 179140), (520, 152269), (530, 149396), (676, 117130), (680, 116441), (689, 114920), (845, 93704), (884, 89570), (901, 87880), (1060, 74698), (1105, 71656), (1352, 58565), (1378, 57460), (1690, 46852), (1768, 44785), (1802, 43940), (2120, 37349), (2197, 36040), (2210, 35828), (2756, 28730), (2873, 27560), (3380, 23426), (3445, 22984), (3604, 21970), (4394, 18020), (4420, 17914), (4505, 17576), (5512, 14365), (5746, 13780), (6760, 11713), (6890, 11492), (7208, 10985), (8788, 9010), (8840, 8957)]