81637440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{307}}^1$

素因数の和:604

約数の個数: 112

約数和(自身を含む): 260981952

約数和(自身を除く): 179344512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 277, 307, 320, 480, 554, 614, 831, 921, 960, 1108, 1228, 1385, 1535, 1662, 1842, 2216, 2456, 2770, 3070, 3324, 3684, 4155, 4432, 4605, 4912, 5540, 6140, 6648, 7368, 8310, 8864, 9210, 9824, 11080, 12280, 13296, 14736, 16620, 17728, 18420, 19648, 22160, 24560, 26592, 29472, 33240, 36840, 44320, 49120, 53184, 58944, 66480, 73680, 85039, 88640, 98240, 132960, 147360, 170078, 255117, 265920, 294720, 340156, 425195, 510234, 680312, 850390, 1020468, 1275585, 1360624, 1700780, 2040936, 2551170, 2721248, 3401560, 4081872, 5102340, 5442496, 6803120, 8163744, 10204680, 13606240, 16327488, 20409360, 27212480, 40818720, 81637440]

約数ペア:

[(1, 81637440), (2, 40818720), (3, 27212480), (4, 20409360), (5, 16327488), (6, 13606240), (8, 10204680), (10, 8163744), (12, 6803120), (15, 5442496), (16, 5102340), (20, 4081872), (24, 3401560), (30, 2721248), (32, 2551170), (40, 2040936), (48, 1700780), (60, 1360624), (64, 1275585), (80, 1020468), (96, 850390), (120, 680312), (160, 510234), (192, 425195), (240, 340156), (277, 294720), (307, 265920), (320, 255117), (480, 170078), (554, 147360), (614, 132960), (831, 98240), (921, 88640), (960, 85039), (1108, 73680), (1228, 66480), (1385, 58944), (1535, 53184), (1662, 49120), (1842, 44320), (2216, 36840), (2456, 33240), (2770, 29472), (3070, 26592), (3324, 24560), (3684, 22160), (4155, 19648), (4432, 18420), (4605, 17728), (4912, 16620), (5540, 14736), (6140, 13296), (6648, 12280), (7368, 11080), (8310, 9824), (8864, 9210)]