81956184

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 229003200

約数和(自身を除く): 147047016

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 37, 51, 61, 68, 74, 89, 102, 111, 122, 136, 148, 178, 183, 204, 222, 244, 267, 296, 356, 366, 408, 444, 488, 534, 629, 712, 732, 888, 1037, 1068, 1258, 1464, 1513, 1887, 2074, 2136, 2257, 2516, 3026, 3111, 3293, 3774, 4148, 4514, 4539, 5032, 5429, 6052, 6222, 6586, 6771, 7548, 8296, 9028, 9078, 9879, 10858, 12104, 12444, 13172, 13542, 15096, 16287, 18056, 18156, 19758, 21716, 24888, 26344, 27084, 32574, 36312, 38369, 39516, 43432, 54168, 55981, 65148, 76738, 79032, 92293, 111962, 115107, 130296, 153476, 167943, 184586, 200873, 223924, 230214, 276879, 306952, 335886, 369172, 401746, 447848, 460428, 553758, 602619, 671772, 738344, 803492, 920856, 1107516, 1205238, 1343544, 1606984, 2215032, 2410476, 3414841, 4820952, 6829682, 10244523, 13659364, 20489046, 27318728, 40978092, 81956184]

約数ペア:

[(1, 81956184), (2, 40978092), (3, 27318728), (4, 20489046), (6, 13659364), (8, 10244523), (12, 6829682), (17, 4820952), (24, 3414841), (34, 2410476), (37, 2215032), (51, 1606984), (61, 1343544), (68, 1205238), (74, 1107516), (89, 920856), (102, 803492), (111, 738344), (122, 671772), (136, 602619), (148, 553758), (178, 460428), (183, 447848), (204, 401746), (222, 369172), (244, 335886), (267, 306952), (296, 276879), (356, 230214), (366, 223924), (408, 200873), (444, 184586), (488, 167943), (534, 153476), (629, 130296), (712, 115107), (732, 111962), (888, 92293), (1037, 79032), (1068, 76738), (1258, 65148), (1464, 55981), (1513, 54168), (1887, 43432), (2074, 39516), (2136, 38369), (2257, 36312), (2516, 32574), (3026, 27084), (3111, 26344), (3293, 24888), (3774, 21716), (4148, 19758), (4514, 18156), (4539, 18056), (5032, 16287), (5429, 15096), (6052, 13542), (6222, 13172), (6586, 12444), (6771, 12104), (7548, 10858), (8296, 9879), (9028, 9078)]