80756802

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 220521600

約数和(自身を除く): 139764798

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 49, 57, 61, 63, 79, 98, 114, 122, 126, 133, 147, 158, 171, 183, 237, 266, 294, 342, 366, 399, 427, 441, 474, 549, 553, 711, 798, 854, 882, 931, 1098, 1106, 1159, 1197, 1281, 1422, 1501, 1659, 1862, 2318, 2394, 2562, 2793, 2989, 3002, 3318, 3477, 3843, 3871, 4503, 4819, 4977, 5586, 5978, 6954, 7686, 7742, 8113, 8379, 8967, 9006, 9638, 9954, 10431, 10507, 11613, 13509, 14457, 16226, 16758, 17934, 20862, 21014, 23226, 24339, 26901, 27018, 28914, 31521, 33733, 34839, 43371, 48678, 53802, 56791, 63042, 67466, 69678, 73017, 73549, 86742, 91561, 94563, 101199, 113582, 146034, 147098, 170373, 183122, 189126, 202398, 220647, 236131, 274683, 303597, 340746, 441294, 472262, 511119, 549366, 607194, 640927, 661941, 708393, 824049, 1022238, 1281854, 1323882, 1416786, 1648098, 1922781, 2125179, 3845562, 4250358, 4486489, 5768343, 8972978, 11536686, 13459467, 26918934, 40378401, 80756802]

約数ペア:

[(1, 80756802), (2, 40378401), (3, 26918934), (6, 13459467), (7, 11536686), (9, 8972978), (14, 5768343), (18, 4486489), (19, 4250358), (21, 3845562), (38, 2125179), (42, 1922781), (49, 1648098), (57, 1416786), (61, 1323882), (63, 1281854), (79, 1022238), (98, 824049), (114, 708393), (122, 661941), (126, 640927), (133, 607194), (147, 549366), (158, 511119), (171, 472262), (183, 441294), (237, 340746), (266, 303597), (294, 274683), (342, 236131), (366, 220647), (399, 202398), (427, 189126), (441, 183122), (474, 170373), (549, 147098), (553, 146034), (711, 113582), (798, 101199), (854, 94563), (882, 91561), (931, 86742), (1098, 73549), (1106, 73017), (1159, 69678), (1197, 67466), (1281, 63042), (1422, 56791), (1501, 53802), (1659, 48678), (1862, 43371), (2318, 34839), (2394, 33733), (2562, 31521), (2793, 28914), (2989, 27018), (3002, 26901), (3318, 24339), (3477, 23226), (3843, 21014), (3871, 20862), (4503, 17934), (4819, 16758), (4977, 16226), (5586, 14457), (5978, 13509), (6954, 11613), (7686, 10507), (7742, 10431), (8113, 9954), (8379, 9638), (8967, 9006)]