71232420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5471}}^1$

素因数の和:5521

約数の個数: 96

約数和(自身を含む): 235339776

約数和(自身を除く): 164107356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 5471, 6510, 10942, 13020, 16413, 21884, 27355, 32826, 38297, 54710, 65652, 76594, 82065, 109420, 114891, 153188, 164130, 169601, 191485, 229782, 328260, 339202, 382970, 459564, 508803, 574455, 678404, 765940, 848005, 1017606, 1148910, 1187207, 1696010, 2035212, 2297820, 2374414, 2544015, 3392020, 3561621, 4748828, 5088030, 5936035, 7123242, 10176060, 11872070, 14246484, 17808105, 23744140, 35616210, 71232420]

約数ペア:

[(1, 71232420), (2, 35616210), (3, 23744140), (4, 17808105), (5, 14246484), (6, 11872070), (7, 10176060), (10, 7123242), (12, 5936035), (14, 5088030), (15, 4748828), (20, 3561621), (21, 3392020), (28, 2544015), (30, 2374414), (31, 2297820), (35, 2035212), (42, 1696010), (60, 1187207), (62, 1148910), (70, 1017606), (84, 848005), (93, 765940), (105, 678404), (124, 574455), (140, 508803), (155, 459564), (186, 382970), (210, 339202), (217, 328260), (310, 229782), (372, 191485), (420, 169601), (434, 164130), (465, 153188), (620, 114891), (651, 109420), (868, 82065), (930, 76594), (1085, 65652), (1302, 54710), (1860, 38297), (2170, 32826), (2604, 27355), (3255, 21884), (4340, 16413), (5471, 13020), (6510, 10942)]