181982080

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{829}}^1$

素因数の和:869

約数の個数: 128

約数和(自身を含む): 507960000

約数和(自身を除く): 325977920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 640, 686, 784, 829, 896, 980, 1120, 1372, 1568, 1658, 1715, 1960, 2240, 2744, 3136, 3316, 3430, 3920, 4145, 4480, 5488, 5803, 6272, 6632, 6860, 7840, 8290, 10976, 11606, 13264, 13720, 15680, 16580, 21952, 23212, 26528, 27440, 29015, 31360, 33160, 40621, 43904, 46424, 53056, 54880, 58030, 66320, 81242, 92848, 106112, 109760, 116060, 132640, 162484, 185696, 203105, 219520, 232120, 265280, 284347, 324968, 371392, 406210, 464240, 530560, 568694, 649936, 742784, 812420, 928480, 1137388, 1299872, 1421735, 1624840, 1856960, 2274776, 2599744, 2843470, 3249680, 3713920, 4549552, 5199488, 5686940, 6499360, 9099104, 11373880, 12998720, 18198208, 22747760, 25997440, 36396416, 45495520, 90991040, 181982080]

約数ペア:

[(1, 181982080), (2, 90991040), (4, 45495520), (5, 36396416), (7, 25997440), (8, 22747760), (10, 18198208), (14, 12998720), (16, 11373880), (20, 9099104), (28, 6499360), (32, 5686940), (35, 5199488), (40, 4549552), (49, 3713920), (56, 3249680), (64, 2843470), (70, 2599744), (80, 2274776), (98, 1856960), (112, 1624840), (128, 1421735), (140, 1299872), (160, 1137388), (196, 928480), (224, 812420), (245, 742784), (280, 649936), (320, 568694), (343, 530560), (392, 464240), (448, 406210), (490, 371392), (560, 324968), (640, 284347), (686, 265280), (784, 232120), (829, 219520), (896, 203105), (980, 185696), (1120, 162484), (1372, 132640), (1568, 116060), (1658, 109760), (1715, 106112), (1960, 92848), (2240, 81242), (2744, 66320), (3136, 58030), (3316, 54880), (3430, 53056), (3920, 46424), (4145, 43904), (4480, 40621), (5488, 33160), (5803, 31360), (6272, 29015), (6632, 27440), (6860, 26528), (7840, 23212), (8290, 21952), (10976, 16580), (11606, 15680), (13264, 13720)]