76728080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:409

約数の個数: 160

約数和(自身を含む): 221235840

約数和(自身を除く): 144507760

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 80, 88, 95, 104, 110, 130, 143, 152, 176, 190, 208, 209, 220, 247, 260, 286, 304, 353, 380, 418, 440, 494, 520, 572, 706, 715, 760, 836, 880, 988, 1040, 1045, 1144, 1235, 1412, 1430, 1520, 1672, 1765, 1976, 2090, 2288, 2470, 2717, 2824, 2860, 3344, 3530, 3883, 3952, 4180, 4589, 4940, 5434, 5648, 5720, 6707, 7060, 7766, 8360, 9178, 9880, 10868, 11440, 13414, 13585, 14120, 15532, 16720, 18356, 19415, 19760, 21736, 22945, 26828, 27170, 28240, 31064, 33535, 36712, 38830, 43472, 45890, 50479, 53656, 54340, 62128, 67070, 73424, 73777, 77660, 87191, 91780, 100958, 107312, 108680, 134140, 147554, 155320, 174382, 183560, 201916, 217360, 252395, 268280, 295108, 310640, 348764, 367120, 368885, 403832, 435955, 504790, 536560, 590216, 697528, 737770, 807664, 871910, 959101, 1009580, 1180432, 1395056, 1475540, 1743820, 1918202, 2019160, 2951080, 3487640, 3836404, 4038320, 4795505, 5902160, 6975280, 7672808, 9591010, 15345616, 19182020, 38364040, 76728080]

約数ペア:

[(1, 76728080), (2, 38364040), (4, 19182020), (5, 15345616), (8, 9591010), (10, 7672808), (11, 6975280), (13, 5902160), (16, 4795505), (19, 4038320), (20, 3836404), (22, 3487640), (26, 2951080), (38, 2019160), (40, 1918202), (44, 1743820), (52, 1475540), (55, 1395056), (65, 1180432), (76, 1009580), (80, 959101), (88, 871910), (95, 807664), (104, 737770), (110, 697528), (130, 590216), (143, 536560), (152, 504790), (176, 435955), (190, 403832), (208, 368885), (209, 367120), (220, 348764), (247, 310640), (260, 295108), (286, 268280), (304, 252395), (353, 217360), (380, 201916), (418, 183560), (440, 174382), (494, 155320), (520, 147554), (572, 134140), (706, 108680), (715, 107312), (760, 100958), (836, 91780), (880, 87191), (988, 77660), (1040, 73777), (1045, 73424), (1144, 67070), (1235, 62128), (1412, 54340), (1430, 53656), (1520, 50479), (1672, 45890), (1765, 43472), (1976, 38830), (2090, 36712), (2288, 33535), (2470, 31064), (2717, 28240), (2824, 27170), (2860, 26828), (3344, 22945), (3530, 21736), (3883, 19760), (3952, 19415), (4180, 18356), (4589, 16720), (4940, 15532), (5434, 14120), (5648, 13585), (5720, 13414), (6707, 11440), (7060, 10868), (7766, 9880), (8360, 9178)]