1338663720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{8641}}^1$

素因数の和:9946

約数の個数: 64

約数和(自身を含む): 4019567040

約数和(自身を除く): 2680903320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1291, 2582, 3873, 5164, 6455, 7746, 8641, 10328, 12910, 15492, 17282, 19365, 25820, 25923, 30984, 34564, 38730, 43205, 51640, 51846, 69128, 77460, 86410, 103692, 129615, 154920, 172820, 207384, 259230, 345640, 518460, 1036920, 11155531, 22311062, 33466593, 44622124, 55777655, 66933186, 89244248, 111555310, 133866372, 167332965, 223110620, 267732744, 334665930, 446221240, 669331860, 1338663720]

約数ペア:

[(1, 1338663720), (2, 669331860), (3, 446221240), (4, 334665930), (5, 267732744), (6, 223110620), (8, 167332965), (10, 133866372), (12, 111555310), (15, 89244248), (20, 66933186), (24, 55777655), (30, 44622124), (40, 33466593), (60, 22311062), (120, 11155531), (1291, 1036920), (2582, 518460), (3873, 345640), (5164, 259230), (6455, 207384), (7746, 172820), (8641, 154920), (10328, 129615), (12910, 103692), (15492, 86410), (17282, 77460), (19365, 69128), (25820, 51846), (25923, 51640), (30984, 43205), (34564, 38730)]