178738680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2137}}^1$

素因数の和:2209

約数の個数: 128

約数和(自身を含む): 581878080

約数和(自身を除く): 403139400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 41, 51, 60, 68, 82, 85, 102, 120, 123, 136, 164, 170, 204, 205, 246, 255, 328, 340, 408, 410, 492, 510, 615, 680, 697, 820, 984, 1020, 1230, 1394, 1640, 2040, 2091, 2137, 2460, 2788, 3485, 4182, 4274, 4920, 5576, 6411, 6970, 8364, 8548, 10455, 10685, 12822, 13940, 16728, 17096, 20910, 21370, 25644, 27880, 32055, 36329, 41820, 42740, 51288, 64110, 72658, 83640, 85480, 87617, 108987, 128220, 145316, 175234, 181645, 217974, 256440, 262851, 290632, 350468, 363290, 435948, 438085, 525702, 544935, 700936, 726580, 871896, 876170, 1051404, 1089870, 1314255, 1453160, 1489489, 1752340, 2102808, 2179740, 2628510, 2978978, 3504680, 4359480, 4468467, 5257020, 5957956, 7447445, 8936934, 10514040, 11915912, 14894890, 17873868, 22342335, 29789780, 35747736, 44684670, 59579560, 89369340, 178738680]

約数ペア:

[(1, 178738680), (2, 89369340), (3, 59579560), (4, 44684670), (5, 35747736), (6, 29789780), (8, 22342335), (10, 17873868), (12, 14894890), (15, 11915912), (17, 10514040), (20, 8936934), (24, 7447445), (30, 5957956), (34, 5257020), (40, 4468467), (41, 4359480), (51, 3504680), (60, 2978978), (68, 2628510), (82, 2179740), (85, 2102808), (102, 1752340), (120, 1489489), (123, 1453160), (136, 1314255), (164, 1089870), (170, 1051404), (204, 876170), (205, 871896), (246, 726580), (255, 700936), (328, 544935), (340, 525702), (408, 438085), (410, 435948), (492, 363290), (510, 350468), (615, 290632), (680, 262851), (697, 256440), (820, 217974), (984, 181645), (1020, 175234), (1230, 145316), (1394, 128220), (1640, 108987), (2040, 87617), (2091, 85480), (2137, 83640), (2460, 72658), (2788, 64110), (3485, 51288), (4182, 42740), (4274, 41820), (4920, 36329), (5576, 32055), (6411, 27880), (6970, 25644), (8364, 21370), (8548, 20910), (10455, 17096), (10685, 16728), (12822, 13940)]