204360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 665280

約数和(自身を除く): 460920

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, 131, 156, 195, 260, 262, 312, 390, 393, 520, 524, 655, 780, 786, 1048, 1310, 1560, 1572, 1703, 1965, 2620, 3144, 3406, 3930, 5109, 5240, 6812, 7860, 8515, 10218, 13624, 15720, 17030, 20436, 25545, 34060, 40872, 51090, 68120, 102180, 204360]

約数ペア:

[(1, 204360), (2, 102180), (3, 68120), (4, 51090), (5, 40872), (6, 34060), (8, 25545), (10, 20436), (12, 17030), (13, 15720), (15, 13624), (20, 10218), (24, 8515), (26, 7860), (30, 6812), (39, 5240), (40, 5109), (52, 3930), (60, 3406), (65, 3144), (78, 2620), (104, 1965), (120, 1703), (130, 1572), (131, 1560), (156, 1310), (195, 1048), (260, 786), (262, 780), (312, 655), (390, 524), (393, 520)]