81399180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:559

約数の個数: 96

約数和(自身を含む): 238049280

約数和(自身を除く): 156650100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 107, 124, 155, 186, 214, 310, 321, 372, 409, 428, 465, 535, 620, 642, 818, 930, 1070, 1227, 1284, 1605, 1636, 1860, 2045, 2140, 2454, 3210, 3317, 4090, 4908, 6135, 6420, 6634, 8180, 9951, 12270, 12679, 13268, 16585, 19902, 24540, 25358, 33170, 38037, 39804, 43763, 49755, 50716, 63395, 66340, 76074, 87526, 99510, 126790, 131289, 152148, 175052, 190185, 199020, 218815, 253580, 262578, 380370, 437630, 525156, 656445, 760740, 875260, 1312890, 1356653, 2625780, 2713306, 4069959, 5426612, 6783265, 8139918, 13566530, 16279836, 20349795, 27133060, 40699590, 81399180]

約数ペア:

[(1, 81399180), (2, 40699590), (3, 27133060), (4, 20349795), (5, 16279836), (6, 13566530), (10, 8139918), (12, 6783265), (15, 5426612), (20, 4069959), (30, 2713306), (31, 2625780), (60, 1356653), (62, 1312890), (93, 875260), (107, 760740), (124, 656445), (155, 525156), (186, 437630), (214, 380370), (310, 262578), (321, 253580), (372, 218815), (409, 199020), (428, 190185), (465, 175052), (535, 152148), (620, 131289), (642, 126790), (818, 99510), (930, 87526), (1070, 76074), (1227, 66340), (1284, 63395), (1605, 50716), (1636, 49755), (1860, 43763), (2045, 39804), (2140, 38037), (2454, 33170), (3210, 25358), (3317, 24540), (4090, 19902), (4908, 16585), (6135, 13268), (6420, 12679), (6634, 12270), (8180, 9951)]