81044520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 251596800

約数和(自身を除く): 170552280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 83, 103, 120, 158, 166, 206, 237, 249, 309, 316, 332, 395, 412, 415, 474, 498, 515, 618, 632, 664, 790, 824, 830, 948, 996, 1030, 1185, 1236, 1245, 1545, 1580, 1660, 1896, 1992, 2060, 2370, 2472, 2490, 3090, 3160, 3320, 4120, 4740, 4980, 6180, 6557, 8137, 8549, 9480, 9960, 12360, 13114, 16274, 17098, 19671, 24411, 25647, 26228, 32548, 32785, 34196, 39342, 40685, 42745, 48822, 51294, 52456, 65096, 65570, 68392, 78684, 81370, 85490, 97644, 98355, 102588, 122055, 128235, 131140, 157368, 162740, 170980, 195288, 196710, 205176, 244110, 256470, 262280, 325480, 341960, 393420, 488220, 512940, 675371, 786840, 976440, 1025880, 1350742, 2026113, 2701484, 3376855, 4052226, 5402968, 6753710, 8104452, 10130565, 13507420, 16208904, 20261130, 27014840, 40522260, 81044520]

約数ペア:

[(1, 81044520), (2, 40522260), (3, 27014840), (4, 20261130), (5, 16208904), (6, 13507420), (8, 10130565), (10, 8104452), (12, 6753710), (15, 5402968), (20, 4052226), (24, 3376855), (30, 2701484), (40, 2026113), (60, 1350742), (79, 1025880), (83, 976440), (103, 786840), (120, 675371), (158, 512940), (166, 488220), (206, 393420), (237, 341960), (249, 325480), (309, 262280), (316, 256470), (332, 244110), (395, 205176), (412, 196710), (415, 195288), (474, 170980), (498, 162740), (515, 157368), (618, 131140), (632, 128235), (664, 122055), (790, 102588), (824, 98355), (830, 97644), (948, 85490), (996, 81370), (1030, 78684), (1185, 68392), (1236, 65570), (1245, 65096), (1545, 52456), (1580, 51294), (1660, 48822), (1896, 42745), (1992, 40685), (2060, 39342), (2370, 34196), (2472, 32785), (2490, 32548), (3090, 26228), (3160, 25647), (3320, 24411), (4120, 19671), (4740, 17098), (4980, 16274), (6180, 13114), (6557, 12360), (8137, 9960), (8549, 9480)]