81622170

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:217

約数の個数: 192

約数和(自身を含む): 260941824

約数和(自身を除く): 179319654

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 43, 45, 46, 63, 69, 70, 86, 90, 105, 115, 126, 129, 131, 138, 161, 207, 210, 215, 230, 258, 262, 301, 315, 322, 345, 387, 393, 414, 430, 483, 602, 630, 645, 655, 690, 774, 786, 805, 903, 917, 966, 989, 1035, 1179, 1290, 1310, 1449, 1505, 1610, 1806, 1834, 1935, 1965, 1978, 2070, 2358, 2415, 2709, 2751, 2898, 2967, 3010, 3013, 3870, 3930, 4515, 4585, 4830, 4945, 5418, 5502, 5633, 5895, 5934, 6026, 6923, 7245, 8253, 8901, 9030, 9039, 9170, 9890, 11266, 11790, 13545, 13755, 13846, 14490, 14835, 15065, 16506, 16899, 17802, 18078, 20769, 21091, 27090, 27117, 27510, 28165, 29670, 30130, 33798, 34615, 39431, 41265, 41538, 42182, 44505, 45195, 50697, 54234, 56330, 62307, 63273, 69230, 78862, 82530, 84495, 89010, 90390, 101394, 103845, 105455, 118293, 124614, 126546, 129559, 135585, 168990, 189819, 197155, 207690, 210910, 236586, 253485, 259118, 271170, 311535, 316365, 354879, 379638, 388677, 394310, 506970, 591465, 623070, 632730, 647795, 709758, 777354, 906913, 949095, 1166031, 1182930, 1295590, 1774395, 1813826, 1898190, 1943385, 2332062, 2720739, 3548790, 3886770, 4534565, 5441478, 5830155, 8162217, 9069130, 11660310, 13603695, 16324434, 27207390, 40811085, 81622170]

約数ペア:

[(1, 81622170), (2, 40811085), (3, 27207390), (5, 16324434), (6, 13603695), (7, 11660310), (9, 9069130), (10, 8162217), (14, 5830155), (15, 5441478), (18, 4534565), (21, 3886770), (23, 3548790), (30, 2720739), (35, 2332062), (42, 1943385), (43, 1898190), (45, 1813826), (46, 1774395), (63, 1295590), (69, 1182930), (70, 1166031), (86, 949095), (90, 906913), (105, 777354), (115, 709758), (126, 647795), (129, 632730), (131, 623070), (138, 591465), (161, 506970), (207, 394310), (210, 388677), (215, 379638), (230, 354879), (258, 316365), (262, 311535), (301, 271170), (315, 259118), (322, 253485), (345, 236586), (387, 210910), (393, 207690), (414, 197155), (430, 189819), (483, 168990), (602, 135585), (630, 129559), (645, 126546), (655, 124614), (690, 118293), (774, 105455), (786, 103845), (805, 101394), (903, 90390), (917, 89010), (966, 84495), (989, 82530), (1035, 78862), (1179, 69230), (1290, 63273), (1310, 62307), (1449, 56330), (1505, 54234), (1610, 50697), (1806, 45195), (1834, 44505), (1935, 42182), (1965, 41538), (1978, 41265), (2070, 39431), (2358, 34615), (2415, 33798), (2709, 30130), (2751, 29670), (2898, 28165), (2967, 27510), (3010, 27117), (3013, 27090), (3870, 21091), (3930, 20769), (4515, 18078), (4585, 17802), (4830, 16899), (4945, 16506), (5418, 15065), (5502, 14835), (5633, 14490), (5895, 13846), (5934, 13755), (6026, 13545), (6923, 11790), (7245, 11266), (8253, 9890), (8901, 9170), (9030, 9039)]