204818120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1283}}^1$

素因数の和:1614

約数の個数: 64

約数和(自身を含む): 498294720

約数和(自身を除く): 293476600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 307, 520, 614, 1228, 1283, 1535, 2456, 2566, 3070, 3991, 5132, 6140, 6415, 7982, 10264, 12280, 12830, 15964, 16679, 19955, 25660, 31928, 33358, 39910, 51320, 66716, 79820, 83395, 133432, 159640, 166790, 333580, 393881, 667160, 787762, 1575524, 1969405, 3151048, 3938810, 5120453, 7877620, 10240906, 15755240, 20481812, 25602265, 40963624, 51204530, 102409060, 204818120]

約数ペア:

[(1, 204818120), (2, 102409060), (4, 51204530), (5, 40963624), (8, 25602265), (10, 20481812), (13, 15755240), (20, 10240906), (26, 7877620), (40, 5120453), (52, 3938810), (65, 3151048), (104, 1969405), (130, 1575524), (260, 787762), (307, 667160), (520, 393881), (614, 333580), (1228, 166790), (1283, 159640), (1535, 133432), (2456, 83395), (2566, 79820), (3070, 66716), (3991, 51320), (5132, 39910), (6140, 33358), (6415, 31928), (7982, 25660), (10264, 19955), (12280, 16679), (12830, 15964)]