84821240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13171}}^1$

素因数の和:13212

約数の個数: 64

約数和(自身を含む): 227612160

約数和(自身を除く): 142790920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 13171, 26342, 52684, 65855, 92197, 105368, 131710, 184394, 263420, 302933, 368788, 460985, 526840, 605866, 737576, 921970, 1211732, 1514665, 1843940, 2120531, 2423464, 3029330, 3687880, 4241062, 6058660, 8482124, 10602655, 12117320, 16964248, 21205310, 42410620, 84821240]

約数ペア:

[(1, 84821240), (2, 42410620), (4, 21205310), (5, 16964248), (7, 12117320), (8, 10602655), (10, 8482124), (14, 6058660), (20, 4241062), (23, 3687880), (28, 3029330), (35, 2423464), (40, 2120531), (46, 1843940), (56, 1514665), (70, 1211732), (92, 921970), (115, 737576), (140, 605866), (161, 526840), (184, 460985), (230, 368788), (280, 302933), (322, 263420), (460, 184394), (644, 131710), (805, 105368), (920, 92197), (1288, 65855), (1610, 52684), (3220, 26342), (6440, 13171)]