17901520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2459}}^1$

素因数の和:2492

約数の個数: 80

約数和(自身を含む): 51246720

約数和(自身を除く): 33345200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 2459, 3640, 4918, 7280, 9836, 12295, 17213, 19672, 24590, 31967, 34426, 39344, 49180, 63934, 68852, 86065, 98360, 127868, 137704, 159835, 172130, 196720, 223769, 255736, 275408, 319670, 344260, 447538, 511472, 639340, 688520, 895076, 1118845, 1278680, 1377040, 1790152, 2237690, 2557360, 3580304, 4475380, 8950760, 17901520]

約数ペア:

[(1, 17901520), (2, 8950760), (4, 4475380), (5, 3580304), (7, 2557360), (8, 2237690), (10, 1790152), (13, 1377040), (14, 1278680), (16, 1118845), (20, 895076), (26, 688520), (28, 639340), (35, 511472), (40, 447538), (52, 344260), (56, 319670), (65, 275408), (70, 255736), (80, 223769), (91, 196720), (104, 172130), (112, 159835), (130, 137704), (140, 127868), (182, 98360), (208, 86065), (260, 68852), (280, 63934), (364, 49180), (455, 39344), (520, 34426), (560, 31967), (728, 24590), (910, 19672), (1040, 17213), (1456, 12295), (1820, 9836), (2459, 7280), (3640, 4918)]