202420920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{129757}}^1$

素因数の和:129784

約数の個数: 64

約数和(自身を含む): 653980320

約数和(自身を除く): 451559400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 129757, 259514, 389271, 519028, 648785, 778542, 1038056, 1297570, 1557084, 1686841, 1946355, 2595140, 3114168, 3373682, 3892710, 5060523, 5190280, 6747364, 7785420, 8434205, 10121046, 13494728, 15570840, 16868410, 20242092, 25302615, 33736820, 40484184, 50605230, 67473640, 101210460, 202420920]

約数ペア:

[(1, 202420920), (2, 101210460), (3, 67473640), (4, 50605230), (5, 40484184), (6, 33736820), (8, 25302615), (10, 20242092), (12, 16868410), (13, 15570840), (15, 13494728), (20, 10121046), (24, 8434205), (26, 7785420), (30, 6747364), (39, 5190280), (40, 5060523), (52, 3892710), (60, 3373682), (65, 3114168), (78, 2595140), (104, 1946355), (120, 1686841), (130, 1557084), (156, 1297570), (195, 1038056), (260, 778542), (312, 648785), (390, 519028), (520, 389271), (780, 259514), (1560, 129757)]