245239680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:357

約数の個数: 256

約数和(自身を含む): 909480960

約数和(自身を除く): 664241280

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, 56, 60, 64, 70, 71, 80, 84, 96, 105, 112, 120, 128, 140, 142, 160, 168, 192, 210, 213, 224, 240, 257, 280, 284, 320, 336, 355, 384, 420, 426, 448, 480, 497, 514, 560, 568, 640, 672, 710, 771, 840, 852, 896, 960, 994, 1028, 1065, 1120, 1136, 1285, 1344, 1420, 1491, 1542, 1680, 1704, 1799, 1920, 1988, 2056, 2130, 2240, 2272, 2485, 2570, 2688, 2840, 2982, 3084, 3360, 3408, 3598, 3855, 3976, 4112, 4260, 4480, 4544, 4970, 5140, 5397, 5680, 5964, 6168, 6720, 6816, 7196, 7455, 7710, 7952, 8224, 8520, 8995, 9088, 9940, 10280, 10794, 11360, 11928, 12336, 13440, 13632, 14392, 14910, 15420, 15904, 16448, 17040, 17990, 18247, 19880, 20560, 21588, 22720, 23856, 24672, 26985, 27264, 28784, 29820, 30840, 31808, 32896, 34080, 35980, 36494, 39760, 41120, 43176, 45440, 47712, 49344, 53970, 54741, 57568, 59640, 61680, 63616, 68160, 71960, 72988, 79520, 82240, 86352, 91235, 95424, 98688, 107940, 109482, 115136, 119280, 123360, 127729, 136320, 143920, 145976, 159040, 164480, 172704, 182470, 190848, 215880, 218964, 230272, 238560, 246720, 255458, 273705, 287840, 291952, 318080, 345408, 364940, 383187, 431760, 437928, 477120, 493440, 510916, 547410, 575680, 583904, 638645, 690816, 729880, 766374, 863520, 875856, 954240, 1021832, 1094820, 1151360, 1167808, 1277290, 1459760, 1532748, 1727040, 1751712, 1915935, 2043664, 2189640, 2335616, 2554580, 2919520, 3065496, 3454080, 3503424, 3831870, 4087328, 4379280, 5109160, 5839040, 6130992, 7006848, 7663740, 8174656, 8758560, 10218320, 11678080, 12261984, 15327480, 16349312, 17517120, 20436640, 24523968, 30654960, 35034240, 40873280, 49047936, 61309920, 81746560, 122619840, 245239680]

約数ペア:

[(1, 245239680), (2, 122619840), (3, 81746560), (4, 61309920), (5, 49047936), (6, 40873280), (7, 35034240), (8, 30654960), (10, 24523968), (12, 20436640), (14, 17517120), (15, 16349312), (16, 15327480), (20, 12261984), (21, 11678080), (24, 10218320), (28, 8758560), (30, 8174656), (32, 7663740), (35, 7006848), (40, 6130992), (42, 5839040), (48, 5109160), (56, 4379280), (60, 4087328), (64, 3831870), (70, 3503424), (71, 3454080), (80, 3065496), (84, 2919520), (96, 2554580), (105, 2335616), (112, 2189640), (120, 2043664), (128, 1915935), (140, 1751712), (142, 1727040), (160, 1532748), (168, 1459760), (192, 1277290), (210, 1167808), (213, 1151360), (224, 1094820), (240, 1021832), (257, 954240), (280, 875856), (284, 863520), (320, 766374), (336, 729880), (355, 690816), (384, 638645), (420, 583904), (426, 575680), (448, 547410), (480, 510916), (497, 493440), (514, 477120), (560, 437928), (568, 431760), (640, 383187), (672, 364940), (710, 345408), (771, 318080), (840, 291952), (852, 287840), (896, 273705), (960, 255458), (994, 246720), (1028, 238560), (1065, 230272), (1120, 218964), (1136, 215880), (1285, 190848), (1344, 182470), (1420, 172704), (1491, 164480), (1542, 159040), (1680, 145976), (1704, 143920), (1799, 136320), (1920, 127729), (1988, 123360), (2056, 119280), (2130, 115136), (2240, 109482), (2272, 107940), (2485, 98688), (2570, 95424), (2688, 91235), (2840, 86352), (2982, 82240), (3084, 79520), (3360, 72988), (3408, 71960), (3598, 68160), (3855, 63616), (3976, 61680), (4112, 59640), (4260, 57568), (4480, 54741), (4544, 53970), (4970, 49344), (5140, 47712), (5397, 45440), (5680, 43176), (5964, 41120), (6168, 39760), (6720, 36494), (6816, 35980), (7196, 34080), (7455, 32896), (7710, 31808), (7952, 30840), (8224, 29820), (8520, 28784), (8995, 27264), (9088, 26985), (9940, 24672), (10280, 23856), (10794, 22720), (11360, 21588), (11928, 20560), (12336, 19880), (13440, 18247), (13632, 17990), (14392, 17040), (14910, 16448), (15420, 15904)]