80647320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3041}}^1$

素因数の和:3085

約数の個数: 128

約数和(自身を含む): 275970240

約数和(自身を除く): 195322920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 3041, 3315, 4420, 5304, 6082, 6630, 8840, 9123, 12164, 13260, 15205, 18246, 24328, 26520, 30410, 36492, 39533, 45615, 51697, 60820, 72984, 79066, 91230, 103394, 118599, 121640, 155091, 158132, 182460, 197665, 206788, 237198, 258485, 310182, 316264, 364920, 395330, 413576, 474396, 516970, 592995, 620364, 672061, 775455, 790660, 948792, 1033940, 1185990, 1240728, 1344122, 1550910, 1581320, 2016183, 2067880, 2371980, 2688244, 3101820, 3360305, 4032366, 4743960, 5376488, 6203640, 6720610, 8064732, 10080915, 13441220, 16129464, 20161830, 26882440, 40323660, 80647320]

約数ペア:

[(1, 80647320), (2, 40323660), (3, 26882440), (4, 20161830), (5, 16129464), (6, 13441220), (8, 10080915), (10, 8064732), (12, 6720610), (13, 6203640), (15, 5376488), (17, 4743960), (20, 4032366), (24, 3360305), (26, 3101820), (30, 2688244), (34, 2371980), (39, 2067880), (40, 2016183), (51, 1581320), (52, 1550910), (60, 1344122), (65, 1240728), (68, 1185990), (78, 1033940), (85, 948792), (102, 790660), (104, 775455), (120, 672061), (130, 620364), (136, 592995), (156, 516970), (170, 474396), (195, 413576), (204, 395330), (221, 364920), (255, 316264), (260, 310182), (312, 258485), (340, 237198), (390, 206788), (408, 197665), (442, 182460), (510, 158132), (520, 155091), (663, 121640), (680, 118599), (780, 103394), (884, 91230), (1020, 79066), (1105, 72984), (1326, 60820), (1560, 51697), (1768, 45615), (2040, 39533), (2210, 36492), (2652, 30410), (3041, 26520), (3315, 24328), (4420, 18246), (5304, 15205), (6082, 13260), (6630, 12164), (8840, 9123)]