71216940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:559

約数の個数: 96

約数和(自身を含む): 211680000

約数和(自身を除く): 140463060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 179, 190, 228, 285, 349, 358, 380, 537, 570, 698, 716, 895, 1047, 1074, 1140, 1396, 1745, 1790, 2094, 2148, 2685, 3401, 3490, 3580, 4188, 5235, 5370, 6631, 6802, 6980, 10203, 10470, 10740, 13262, 13604, 17005, 19893, 20406, 20940, 26524, 33155, 34010, 39786, 40812, 51015, 62471, 66310, 68020, 79572, 99465, 102030, 124942, 132620, 187413, 198930, 204060, 249884, 312355, 374826, 397860, 624710, 749652, 937065, 1186949, 1249420, 1874130, 2373898, 3560847, 3748260, 4747796, 5934745, 7121694, 11869490, 14243388, 17804235, 23738980, 35608470, 71216940]

約数ペア:

[(1, 71216940), (2, 35608470), (3, 23738980), (4, 17804235), (5, 14243388), (6, 11869490), (10, 7121694), (12, 5934745), (15, 4747796), (19, 3748260), (20, 3560847), (30, 2373898), (38, 1874130), (57, 1249420), (60, 1186949), (76, 937065), (95, 749652), (114, 624710), (179, 397860), (190, 374826), (228, 312355), (285, 249884), (349, 204060), (358, 198930), (380, 187413), (537, 132620), (570, 124942), (698, 102030), (716, 99465), (895, 79572), (1047, 68020), (1074, 66310), (1140, 62471), (1396, 51015), (1745, 40812), (1790, 39786), (2094, 34010), (2148, 33155), (2685, 26524), (3401, 20940), (3490, 20406), (3580, 19893), (4188, 17005), (5235, 13604), (5370, 13262), (6631, 10740), (6802, 10470), (6980, 10203)]