65541780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 208039104

約数和(自身を除く): 142497324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 83, 90, 107, 123, 164, 166, 180, 205, 214, 246, 249, 321, 332, 369, 410, 415, 428, 492, 498, 535, 615, 642, 738, 747, 820, 830, 963, 996, 1070, 1230, 1245, 1284, 1476, 1494, 1605, 1660, 1845, 1926, 2140, 2460, 2490, 2988, 3210, 3403, 3690, 3735, 3852, 4387, 4815, 4980, 6420, 6806, 7380, 7470, 8774, 8881, 9630, 10209, 13161, 13612, 14940, 17015, 17548, 17762, 19260, 20418, 21935, 26322, 26643, 30627, 34030, 35524, 39483, 40836, 43870, 44405, 51045, 52644, 53286, 61254, 65805, 68060, 78966, 79929, 87740, 88810, 102090, 106572, 122508, 131610, 133215, 153135, 157932, 159858, 177620, 197415, 204180, 263220, 266430, 306270, 319716, 364121, 394830, 399645, 532860, 612540, 728242, 789660, 799290, 1092363, 1456484, 1598580, 1820605, 2184726, 3277089, 3641210, 4369452, 5461815, 6554178, 7282420, 10923630, 13108356, 16385445, 21847260, 32770890, 65541780]

約数ペア:

[(1, 65541780), (2, 32770890), (3, 21847260), (4, 16385445), (5, 13108356), (6, 10923630), (9, 7282420), (10, 6554178), (12, 5461815), (15, 4369452), (18, 3641210), (20, 3277089), (30, 2184726), (36, 1820605), (41, 1598580), (45, 1456484), (60, 1092363), (82, 799290), (83, 789660), (90, 728242), (107, 612540), (123, 532860), (164, 399645), (166, 394830), (180, 364121), (205, 319716), (214, 306270), (246, 266430), (249, 263220), (321, 204180), (332, 197415), (369, 177620), (410, 159858), (415, 157932), (428, 153135), (492, 133215), (498, 131610), (535, 122508), (615, 106572), (642, 102090), (738, 88810), (747, 87740), (820, 79929), (830, 78966), (963, 68060), (996, 65805), (1070, 61254), (1230, 53286), (1245, 52644), (1284, 51045), (1476, 44405), (1494, 43870), (1605, 40836), (1660, 39483), (1845, 35524), (1926, 34030), (2140, 30627), (2460, 26643), (2490, 26322), (2988, 21935), (3210, 20418), (3403, 19260), (3690, 17762), (3735, 17548), (3852, 17015), (4387, 14940), (4815, 13612), (4980, 13161), (6420, 10209), (6806, 9630), (7380, 8881), (7470, 8774)]