18400680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:743

約数の個数: 96

約数和(自身を含む): 60652800

約数和(自身を除く): 42252120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 79, 90, 120, 158, 180, 237, 316, 360, 395, 474, 632, 647, 711, 790, 948, 1185, 1294, 1422, 1580, 1896, 1941, 2370, 2588, 2844, 3160, 3235, 3555, 3882, 4740, 5176, 5688, 5823, 6470, 7110, 7764, 9480, 9705, 11646, 12940, 14220, 15528, 19410, 23292, 25880, 28440, 29115, 38820, 46584, 51113, 58230, 77640, 102226, 116460, 153339, 204452, 232920, 255565, 306678, 408904, 460017, 511130, 613356, 766695, 920034, 1022260, 1226712, 1533390, 1840068, 2044520, 2300085, 3066780, 3680136, 4600170, 6133560, 9200340, 18400680]

約数ペア:

[(1, 18400680), (2, 9200340), (3, 6133560), (4, 4600170), (5, 3680136), (6, 3066780), (8, 2300085), (9, 2044520), (10, 1840068), (12, 1533390), (15, 1226712), (18, 1022260), (20, 920034), (24, 766695), (30, 613356), (36, 511130), (40, 460017), (45, 408904), (60, 306678), (72, 255565), (79, 232920), (90, 204452), (120, 153339), (158, 116460), (180, 102226), (237, 77640), (316, 58230), (360, 51113), (395, 46584), (474, 38820), (632, 29115), (647, 28440), (711, 25880), (790, 23292), (948, 19410), (1185, 15528), (1294, 14220), (1422, 12940), (1580, 11646), (1896, 9705), (1941, 9480), (2370, 7764), (2588, 7110), (2844, 6470), (3160, 5823), (3235, 5688), (3555, 5176), (3882, 4740)]