28826820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:263

約数の個数: 192

約数和(自身を含む): 102574080

約数和(自身を除く): 73747260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 27, 30, 33, 36, 44, 45, 46, 54, 55, 60, 66, 69, 90, 92, 99, 108, 110, 115, 132, 135, 138, 165, 180, 198, 207, 211, 220, 230, 253, 270, 276, 297, 330, 345, 396, 414, 422, 460, 495, 506, 540, 594, 621, 633, 660, 690, 759, 828, 844, 990, 1012, 1035, 1055, 1188, 1242, 1265, 1266, 1380, 1485, 1518, 1899, 1980, 2070, 2110, 2277, 2321, 2484, 2530, 2532, 2970, 3036, 3105, 3165, 3795, 3798, 4140, 4220, 4554, 4642, 4853, 5060, 5697, 5940, 6210, 6330, 6831, 6963, 7590, 7596, 9108, 9284, 9495, 9706, 11385, 11394, 11605, 12420, 12660, 13662, 13926, 14559, 15180, 18990, 19412, 20889, 22770, 22788, 23210, 24265, 27324, 27852, 28485, 29118, 34155, 34815, 37980, 41778, 43677, 45540, 46420, 48530, 53383, 56970, 58236, 62667, 68310, 69630, 72795, 83556, 87354, 97060, 104445, 106766, 113940, 125334, 131031, 136620, 139260, 145590, 160149, 174708, 208890, 213532, 218385, 250668, 262062, 266915, 291180, 313335, 320298, 417780, 436770, 480447, 524124, 533830, 626670, 640596, 655155, 800745, 873540, 960894, 1067660, 1253340, 1310310, 1441341, 1601490, 1921788, 2402235, 2620620, 2882682, 3202980, 4804470, 5765364, 7206705, 9608940, 14413410, 28826820]

約数ペア:

[(1, 28826820), (2, 14413410), (3, 9608940), (4, 7206705), (5, 5765364), (6, 4804470), (9, 3202980), (10, 2882682), (11, 2620620), (12, 2402235), (15, 1921788), (18, 1601490), (20, 1441341), (22, 1310310), (23, 1253340), (27, 1067660), (30, 960894), (33, 873540), (36, 800745), (44, 655155), (45, 640596), (46, 626670), (54, 533830), (55, 524124), (60, 480447), (66, 436770), (69, 417780), (90, 320298), (92, 313335), (99, 291180), (108, 266915), (110, 262062), (115, 250668), (132, 218385), (135, 213532), (138, 208890), (165, 174708), (180, 160149), (198, 145590), (207, 139260), (211, 136620), (220, 131031), (230, 125334), (253, 113940), (270, 106766), (276, 104445), (297, 97060), (330, 87354), (345, 83556), (396, 72795), (414, 69630), (422, 68310), (460, 62667), (495, 58236), (506, 56970), (540, 53383), (594, 48530), (621, 46420), (633, 45540), (660, 43677), (690, 41778), (759, 37980), (828, 34815), (844, 34155), (990, 29118), (1012, 28485), (1035, 27852), (1055, 27324), (1188, 24265), (1242, 23210), (1265, 22788), (1266, 22770), (1380, 20889), (1485, 19412), (1518, 18990), (1899, 15180), (1980, 14559), (2070, 13926), (2110, 13662), (2277, 12660), (2321, 12420), (2484, 11605), (2530, 11394), (2532, 11385), (2970, 9706), (3036, 9495), (3105, 9284), (3165, 9108), (3795, 7596), (3798, 7590), (4140, 6963), (4220, 6831), (4554, 6330), (4642, 6210), (4853, 5940), (5060, 5697)]