868761390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67819}}^1$

素因数の和:67897

約数の個数: 64

約数和(自身を含む): 2421987840

約数和(自身を除く): 1553226450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 105, 122, 183, 210, 305, 366, 427, 610, 854, 915, 1281, 1830, 2135, 2562, 4270, 6405, 12810, 67819, 135638, 203457, 339095, 406914, 474733, 678190, 949466, 1017285, 1424199, 2034570, 2373665, 2848398, 4136959, 4747330, 7120995, 8273918, 12410877, 14241990, 20684795, 24821754, 28958713, 41369590, 57917426, 62054385, 86876139, 124108770, 144793565, 173752278, 289587130, 434380695, 868761390]

約数ペア:

[(1, 868761390), (2, 434380695), (3, 289587130), (5, 173752278), (6, 144793565), (7, 124108770), (10, 86876139), (14, 62054385), (15, 57917426), (21, 41369590), (30, 28958713), (35, 24821754), (42, 20684795), (61, 14241990), (70, 12410877), (105, 8273918), (122, 7120995), (183, 4747330), (210, 4136959), (305, 2848398), (366, 2373665), (427, 2034570), (610, 1424199), (854, 1017285), (915, 949466), (1281, 678190), (1830, 474733), (2135, 406914), (2562, 339095), (4270, 203457), (6405, 135638), (12810, 67819)]