123396780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{158201}}^1$

素因数の和:158226

約数の個数: 48

約数和(自身を含む): 372091104

約数和(自身を除く): 248694324

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, 158201, 316402, 474603, 632804, 791005, 949206, 1582010, 1898412, 2056613, 2373015, 3164020, 4113226, 4746030, 6169839, 8226452, 9492060, 10283065, 12339678, 20566130, 24679356, 30849195, 41132260, 61698390, 123396780]

約数ペア:

[(1, 123396780), (2, 61698390), (3, 41132260), (4, 30849195), (5, 24679356), (6, 20566130), (10, 12339678), (12, 10283065), (13, 9492060), (15, 8226452), (20, 6169839), (26, 4746030), (30, 4113226), (39, 3164020), (52, 2373015), (60, 2056613), (65, 1898412), (78, 1582010), (130, 949206), (156, 791005), (195, 632804), (260, 474603), (390, 316402), (780, 158201)]