80348940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1483}}^1$

素因数の和:1548

約数の個数: 144

約数和(自身を含む): 285212928

約数和(自身を除く): 204863988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1204, 1260, 1290, 1483, 1505, 1548, 1806, 1935, 2580, 2709, 2966, 3010, 3612, 3870, 4449, 4515, 5418, 5932, 6020, 7415, 7740, 8898, 9030, 10381, 10836, 13347, 13545, 14830, 17796, 18060, 20762, 22245, 26694, 27090, 29660, 31143, 41524, 44490, 51905, 53388, 54180, 62286, 63769, 66735, 88980, 93429, 103810, 124572, 127538, 133470, 155715, 186858, 191307, 207620, 255076, 266940, 311430, 318845, 373716, 382614, 446383, 467145, 573921, 622860, 637690, 765228, 892766, 934290, 956535, 1147842, 1275380, 1339149, 1785532, 1868580, 1913070, 2231915, 2295684, 2678298, 2869605, 3826140, 4017447, 4463830, 5356596, 5739210, 6695745, 8034894, 8927660, 11478420, 13391490, 16069788, 20087235, 26782980, 40174470, 80348940]

約数ペア:

[(1, 80348940), (2, 40174470), (3, 26782980), (4, 20087235), (5, 16069788), (6, 13391490), (7, 11478420), (9, 8927660), (10, 8034894), (12, 6695745), (14, 5739210), (15, 5356596), (18, 4463830), (20, 4017447), (21, 3826140), (28, 2869605), (30, 2678298), (35, 2295684), (36, 2231915), (42, 1913070), (43, 1868580), (45, 1785532), (60, 1339149), (63, 1275380), (70, 1147842), (84, 956535), (86, 934290), (90, 892766), (105, 765228), (126, 637690), (129, 622860), (140, 573921), (172, 467145), (180, 446383), (210, 382614), (215, 373716), (252, 318845), (258, 311430), (301, 266940), (315, 255076), (387, 207620), (420, 191307), (430, 186858), (516, 155715), (602, 133470), (630, 127538), (645, 124572), (774, 103810), (860, 93429), (903, 88980), (1204, 66735), (1260, 63769), (1290, 62286), (1483, 54180), (1505, 53388), (1548, 51905), (1806, 44490), (1935, 41524), (2580, 31143), (2709, 29660), (2966, 27090), (3010, 26694), (3612, 22245), (3870, 20762), (4449, 18060), (4515, 17796), (5418, 14830), (5932, 13545), (6020, 13347), (7415, 10836), (7740, 10381), (8898, 9030)]