280685730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{9859}}^1$

素因数の和:9955

約数の個数: 64

約数和(自身を含む): 735477120

約数和(自身を除く): 454791390

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 73, 78, 130, 146, 195, 219, 365, 390, 438, 730, 949, 1095, 1898, 2190, 2847, 4745, 5694, 9490, 9859, 14235, 19718, 28470, 29577, 49295, 59154, 98590, 128167, 147885, 256334, 295770, 384501, 640835, 719707, 769002, 1281670, 1439414, 1922505, 2159121, 3598535, 3845010, 4318242, 7197070, 9356191, 10795605, 18712382, 21591210, 28068573, 46780955, 56137146, 93561910, 140342865, 280685730]

約数ペア:

[(1, 280685730), (2, 140342865), (3, 93561910), (5, 56137146), (6, 46780955), (10, 28068573), (13, 21591210), (15, 18712382), (26, 10795605), (30, 9356191), (39, 7197070), (65, 4318242), (73, 3845010), (78, 3598535), (130, 2159121), (146, 1922505), (195, 1439414), (219, 1281670), (365, 769002), (390, 719707), (438, 640835), (730, 384501), (949, 295770), (1095, 256334), (1898, 147885), (2190, 128167), (2847, 98590), (4745, 59154), (5694, 49295), (9490, 29577), (9859, 28470), (14235, 19718)]