81762520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 226281600

約数和(自身を除く): 144519080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 89, 119, 136, 140, 170, 178, 193, 238, 280, 340, 356, 386, 445, 476, 595, 623, 680, 712, 772, 890, 952, 965, 1190, 1246, 1351, 1513, 1544, 1780, 1930, 2380, 2492, 2702, 3026, 3115, 3281, 3560, 3860, 4760, 4984, 5404, 6052, 6230, 6562, 6755, 7565, 7720, 10591, 10808, 12104, 12460, 13124, 13510, 15130, 16405, 17177, 21182, 22967, 24920, 26248, 27020, 30260, 32810, 34354, 42364, 45934, 52955, 54040, 60520, 65620, 68708, 84728, 85885, 91868, 105910, 114835, 120239, 131240, 137416, 171770, 183736, 211820, 229670, 240478, 292009, 343540, 423640, 459340, 480956, 584018, 601195, 687080, 918680, 961912, 1168036, 1202390, 1460045, 2044063, 2336072, 2404780, 2920090, 4088126, 4809560, 5840180, 8176252, 10220315, 11680360, 16352504, 20440630, 40881260, 81762520]

約数ペア:

[(1, 81762520), (2, 40881260), (4, 20440630), (5, 16352504), (7, 11680360), (8, 10220315), (10, 8176252), (14, 5840180), (17, 4809560), (20, 4088126), (28, 2920090), (34, 2404780), (35, 2336072), (40, 2044063), (56, 1460045), (68, 1202390), (70, 1168036), (85, 961912), (89, 918680), (119, 687080), (136, 601195), (140, 584018), (170, 480956), (178, 459340), (193, 423640), (238, 343540), (280, 292009), (340, 240478), (356, 229670), (386, 211820), (445, 183736), (476, 171770), (595, 137416), (623, 131240), (680, 120239), (712, 114835), (772, 105910), (890, 91868), (952, 85885), (965, 84728), (1190, 68708), (1246, 65620), (1351, 60520), (1513, 54040), (1544, 52955), (1780, 45934), (1930, 42364), (2380, 34354), (2492, 32810), (2702, 30260), (3026, 27020), (3115, 26248), (3281, 24920), (3560, 22967), (3860, 21182), (4760, 17177), (4984, 16405), (5404, 15130), (6052, 13510), (6230, 13124), (6562, 12460), (6755, 12104), (7565, 10808), (7720, 10591)]