247477440

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{5261}}^1$

素因数の和:5295

約数の個数: 168

約数和(自身を含む): 914198832

約数和(自身を除く): 666721392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 672, 735, 784, 840, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1960, 2240, 2352, 2940, 3136, 3360, 3920, 4704, 5261, 5880, 6720, 7840, 9408, 10522, 11760, 15680, 15783, 21044, 23520, 26305, 31566, 36827, 42088, 47040, 52610, 63132, 73654, 78915, 84176, 105220, 110481, 126264, 147308, 157830, 168352, 184135, 210440, 220962, 252528, 257789, 294616, 315660, 336704, 368270, 420880, 441924, 505056, 515578, 552405, 589232, 631320, 736540, 773367, 841760, 883848, 1010112, 1031156, 1104810, 1178464, 1262640, 1288945, 1473080, 1546734, 1683520, 1767696, 2062312, 2209620, 2356928, 2525280, 2577890, 2946160, 3093468, 3535392, 3866835, 4124624, 4419240, 5050560, 5155780, 5892320, 6186936, 7070784, 7733670, 8249248, 8838480, 10311560, 11784640, 12373872, 15467340, 16498496, 17676960, 20623120, 24747744, 30934680, 35353920, 41246240, 49495488, 61869360, 82492480, 123738720, 247477440]

約数ペア:

[(1, 247477440), (2, 123738720), (3, 82492480), (4, 61869360), (5, 49495488), (6, 41246240), (7, 35353920), (8, 30934680), (10, 24747744), (12, 20623120), (14, 17676960), (15, 16498496), (16, 15467340), (20, 12373872), (21, 11784640), (24, 10311560), (28, 8838480), (30, 8249248), (32, 7733670), (35, 7070784), (40, 6186936), (42, 5892320), (48, 5155780), (49, 5050560), (56, 4419240), (60, 4124624), (64, 3866835), (70, 3535392), (80, 3093468), (84, 2946160), (96, 2577890), (98, 2525280), (105, 2356928), (112, 2209620), (120, 2062312), (140, 1767696), (147, 1683520), (160, 1546734), (168, 1473080), (192, 1288945), (196, 1262640), (210, 1178464), (224, 1104810), (240, 1031156), (245, 1010112), (280, 883848), (294, 841760), (320, 773367), (336, 736540), (392, 631320), (420, 589232), (448, 552405), (480, 515578), (490, 505056), (560, 441924), (588, 420880), (672, 368270), (735, 336704), (784, 315660), (840, 294616), (960, 257789), (980, 252528), (1120, 220962), (1176, 210440), (1344, 184135), (1470, 168352), (1568, 157830), (1680, 147308), (1960, 126264), (2240, 110481), (2352, 105220), (2940, 84176), (3136, 78915), (3360, 73654), (3920, 63132), (4704, 52610), (5261, 47040), (5880, 42088), (6720, 36827), (7840, 31566), (9408, 26305), (10522, 23520), (11760, 21044), (15680, 15783)]