81669510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{83}}^1$

素因数の和:167

約数の個数: 144

約数和(自身を含む): 239685264

約数和(自身を除く): 158015754

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 29, 30, 39, 45, 58, 65, 78, 83, 87, 90, 117, 130, 145, 166, 174, 195, 234, 249, 261, 290, 377, 390, 415, 435, 498, 522, 585, 747, 754, 830, 841, 870, 1079, 1131, 1170, 1245, 1305, 1494, 1682, 1885, 2158, 2262, 2407, 2490, 2523, 2610, 3237, 3393, 3735, 3770, 4205, 4814, 5046, 5395, 5655, 6474, 6786, 7221, 7470, 7569, 8410, 9711, 10790, 10933, 11310, 12035, 12615, 14442, 15138, 16185, 16965, 19422, 21663, 21866, 24070, 25230, 31291, 32370, 32799, 33930, 36105, 37845, 43326, 48555, 54665, 62582, 65598, 69803, 72210, 75690, 93873, 97110, 98397, 108315, 109330, 139606, 156455, 163995, 187746, 196794, 209409, 216630, 281619, 312910, 327990, 349015, 418818, 469365, 491985, 563238, 628227, 698030, 907439, 938730, 983970, 1047045, 1256454, 1408095, 1814878, 2094090, 2722317, 2816190, 3141135, 4537195, 5444634, 6282270, 8166951, 9074390, 13611585, 16333902, 27223170, 40834755, 81669510]

約数ペア:

[(1, 81669510), (2, 40834755), (3, 27223170), (5, 16333902), (6, 13611585), (9, 9074390), (10, 8166951), (13, 6282270), (15, 5444634), (18, 4537195), (26, 3141135), (29, 2816190), (30, 2722317), (39, 2094090), (45, 1814878), (58, 1408095), (65, 1256454), (78, 1047045), (83, 983970), (87, 938730), (90, 907439), (117, 698030), (130, 628227), (145, 563238), (166, 491985), (174, 469365), (195, 418818), (234, 349015), (249, 327990), (261, 312910), (290, 281619), (377, 216630), (390, 209409), (415, 196794), (435, 187746), (498, 163995), (522, 156455), (585, 139606), (747, 109330), (754, 108315), (830, 98397), (841, 97110), (870, 93873), (1079, 75690), (1131, 72210), (1170, 69803), (1245, 65598), (1305, 62582), (1494, 54665), (1682, 48555), (1885, 43326), (2158, 37845), (2262, 36105), (2407, 33930), (2490, 32799), (2523, 32370), (2610, 31291), (3237, 25230), (3393, 24070), (3735, 21866), (3770, 21663), (4205, 19422), (4814, 16965), (5046, 16185), (5395, 15138), (5655, 14442), (6474, 12615), (6786, 12035), (7221, 11310), (7470, 10933), (7569, 10790), (8410, 9711)]