81022680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1471}}^1$

素因数の和:1511

約数の個数: 160

約数和(自身を含む): 288541440

約数和(自身を除く): 207518760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 81, 85, 90, 102, 108, 120, 135, 136, 153, 162, 170, 180, 204, 216, 255, 270, 306, 324, 340, 360, 405, 408, 459, 510, 540, 612, 648, 680, 765, 810, 918, 1020, 1080, 1224, 1377, 1471, 1530, 1620, 1836, 2040, 2295, 2754, 2942, 3060, 3240, 3672, 4413, 4590, 5508, 5884, 6120, 6885, 7355, 8826, 9180, 11016, 11768, 13239, 13770, 14710, 17652, 18360, 22065, 25007, 26478, 27540, 29420, 35304, 39717, 44130, 50014, 52956, 55080, 58840, 66195, 75021, 79434, 88260, 100028, 105912, 119151, 125035, 132390, 150042, 158868, 176520, 198585, 200056, 225063, 238302, 250070, 264780, 300084, 317736, 375105, 397170, 450126, 476604, 500140, 529560, 595755, 600168, 675189, 750210, 794340, 900252, 953208, 1000280, 1125315, 1191510, 1350378, 1500420, 1588680, 1800504, 2025567, 2250630, 2383020, 2700756, 3000840, 3375945, 4051134, 4501260, 4766040, 5401512, 6751890, 8102268, 9002520, 10127835, 13503780, 16204536, 20255670, 27007560, 40511340, 81022680]

約数ペア:

[(1, 81022680), (2, 40511340), (3, 27007560), (4, 20255670), (5, 16204536), (6, 13503780), (8, 10127835), (9, 9002520), (10, 8102268), (12, 6751890), (15, 5401512), (17, 4766040), (18, 4501260), (20, 4051134), (24, 3375945), (27, 3000840), (30, 2700756), (34, 2383020), (36, 2250630), (40, 2025567), (45, 1800504), (51, 1588680), (54, 1500420), (60, 1350378), (68, 1191510), (72, 1125315), (81, 1000280), (85, 953208), (90, 900252), (102, 794340), (108, 750210), (120, 675189), (135, 600168), (136, 595755), (153, 529560), (162, 500140), (170, 476604), (180, 450126), (204, 397170), (216, 375105), (255, 317736), (270, 300084), (306, 264780), (324, 250070), (340, 238302), (360, 225063), (405, 200056), (408, 198585), (459, 176520), (510, 158868), (540, 150042), (612, 132390), (648, 125035), (680, 119151), (765, 105912), (810, 100028), (918, 88260), (1020, 79434), (1080, 75021), (1224, 66195), (1377, 58840), (1471, 55080), (1530, 52956), (1620, 50014), (1836, 44130), (2040, 39717), (2295, 35304), (2754, 29420), (2942, 27540), (3060, 26478), (3240, 25007), (3672, 22065), (4413, 18360), (4590, 17652), (5508, 14710), (5884, 13770), (6120, 13239), (6885, 11768), (7355, 11016), (8826, 9180)]