128242140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164413}}^1$

素因数の和:164438

約数の個数: 48

約数和(自身を含む): 386701728

約数和(自身を除く): 258459588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 164413, 328826, 493239, 657652, 822065, 986478, 1644130, 1972956, 2137369, 2466195, 3288260, 4274738, 4932390, 6412107, 8549476, 9864780, 10686845, 12824214, 21373690, 25648428, 32060535, 42747380, 64121070, 128242140]

約数ペア:

[(1, 128242140), (2, 64121070), (3, 42747380), (4, 32060535), (5, 25648428), (6, 21373690), (10, 12824214), (12, 10686845), (13, 9864780), (15, 8549476), (20, 6412107), (26, 4932390), (30, 4274738), (39, 3288260), (52, 2466195), (60, 2137369), (65, 1972956), (78, 1644130), (130, 986478), (156, 822065), (195, 657652), (260, 493239), (390, 328826), (780, 164413)]