81420696

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2213}}^1$

素因数の和:2305

約数の個数: 96

約数和(自身を含む): 255584160

約数和(自身を除く): 174163464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 73, 84, 126, 146, 168, 219, 252, 292, 438, 504, 511, 584, 657, 876, 1022, 1314, 1533, 1752, 2044, 2213, 2628, 3066, 4088, 4426, 4599, 5256, 6132, 6639, 8852, 9198, 12264, 13278, 15491, 17704, 18396, 19917, 26556, 30982, 36792, 39834, 46473, 53112, 61964, 79668, 92946, 123928, 139419, 159336, 161549, 185892, 278838, 323098, 371784, 484647, 557676, 646196, 969294, 1115352, 1130843, 1292392, 1453941, 1938588, 2261686, 2907882, 3392529, 3877176, 4523372, 5815764, 6785058, 9046744, 10177587, 11631528, 13570116, 20355174, 27140232, 40710348, 81420696]

約数ペア:

[(1, 81420696), (2, 40710348), (3, 27140232), (4, 20355174), (6, 13570116), (7, 11631528), (8, 10177587), (9, 9046744), (12, 6785058), (14, 5815764), (18, 4523372), (21, 3877176), (24, 3392529), (28, 2907882), (36, 2261686), (42, 1938588), (56, 1453941), (63, 1292392), (72, 1130843), (73, 1115352), (84, 969294), (126, 646196), (146, 557676), (168, 484647), (219, 371784), (252, 323098), (292, 278838), (438, 185892), (504, 161549), (511, 159336), (584, 139419), (657, 123928), (876, 92946), (1022, 79668), (1314, 61964), (1533, 53112), (1752, 46473), (2044, 39834), (2213, 36792), (2628, 30982), (3066, 26556), (4088, 19917), (4426, 18396), (4599, 17704), (5256, 15491), (6132, 13278), (6639, 12264), (8852, 9198)]