220276480

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:282

約数の個数: 144

約数和(自身を含む): 572189184

約数和(自身を除く): 351912704

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 53, 64, 68, 80, 85, 106, 128, 136, 160, 170, 191, 212, 256, 265, 272, 320, 340, 382, 424, 530, 544, 640, 680, 764, 848, 901, 955, 1060, 1088, 1280, 1360, 1528, 1696, 1802, 1910, 2120, 2176, 2720, 3056, 3247, 3392, 3604, 3820, 4240, 4352, 4505, 5440, 6112, 6494, 6784, 7208, 7640, 8480, 9010, 10123, 10880, 12224, 12988, 13568, 14416, 15280, 16235, 16960, 18020, 20246, 21760, 24448, 25976, 28832, 30560, 32470, 33920, 36040, 40492, 48896, 50615, 51952, 57664, 61120, 64940, 67840, 72080, 80984, 101230, 103904, 115328, 122240, 129880, 144160, 161968, 172091, 202460, 207808, 230656, 244480, 259760, 288320, 323936, 344182, 404920, 415616, 519520, 576640, 647872, 688364, 809840, 831232, 860455, 1039040, 1153280, 1295744, 1376728, 1619680, 1720910, 2078080, 2591488, 2753456, 3239360, 3441820, 4156160, 5506912, 6478720, 6883640, 11013824, 12957440, 13767280, 22027648, 27534560, 44055296, 55069120, 110138240, 220276480]

約数ペア:

[(1, 220276480), (2, 110138240), (4, 55069120), (5, 44055296), (8, 27534560), (10, 22027648), (16, 13767280), (17, 12957440), (20, 11013824), (32, 6883640), (34, 6478720), (40, 5506912), (53, 4156160), (64, 3441820), (68, 3239360), (80, 2753456), (85, 2591488), (106, 2078080), (128, 1720910), (136, 1619680), (160, 1376728), (170, 1295744), (191, 1153280), (212, 1039040), (256, 860455), (265, 831232), (272, 809840), (320, 688364), (340, 647872), (382, 576640), (424, 519520), (530, 415616), (544, 404920), (640, 344182), (680, 323936), (764, 288320), (848, 259760), (901, 244480), (955, 230656), (1060, 207808), (1088, 202460), (1280, 172091), (1360, 161968), (1528, 144160), (1696, 129880), (1802, 122240), (1910, 115328), (2120, 103904), (2176, 101230), (2720, 80984), (3056, 72080), (3247, 67840), (3392, 64940), (3604, 61120), (3820, 57664), (4240, 51952), (4352, 50615), (4505, 48896), (5440, 40492), (6112, 36040), (6494, 33920), (6784, 32470), (7208, 30560), (7640, 28832), (8480, 25976), (9010, 24448), (10123, 21760), (10880, 20246), (12224, 18020), (12988, 16960), (13568, 16235), (14416, 15280)]