68445780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87751}}^1$

素因数の和:87776

約数の個数: 48

約数和(自身を含む): 206392704

約数和(自身を除く): 137946924

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, 87751, 175502, 263253, 351004, 438755, 526506, 877510, 1053012, 1140763, 1316265, 1755020, 2281526, 2632530, 3422289, 4563052, 5265060, 5703815, 6844578, 11407630, 13689156, 17111445, 22815260, 34222890, 68445780]

約数ペア:

[(1, 68445780), (2, 34222890), (3, 22815260), (4, 17111445), (5, 13689156), (6, 11407630), (10, 6844578), (12, 5703815), (13, 5265060), (15, 4563052), (20, 3422289), (26, 2632530), (30, 2281526), (39, 1755020), (52, 1316265), (60, 1140763), (65, 1053012), (78, 877510), (130, 526506), (156, 438755), (195, 351004), (260, 263253), (390, 175502), (780, 87751)]