261716130

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:633

約数の個数: 128

約数和(自身を含む): 757693440

約数和(自身を除く): 495977310

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 173, 195, 234, 270, 346, 351, 390, 431, 519, 585, 702, 862, 865, 1038, 1170, 1293, 1557, 1730, 1755, 2155, 2249, 2586, 2595, 3114, 3510, 3879, 4310, 4498, 4671, 5190, 5603, 6465, 6747, 7758, 7785, 9342, 11206, 11245, 11637, 12930, 13494, 15570, 16809, 19395, 20241, 22490, 23274, 23355, 28015, 33618, 33735, 38790, 40482, 46710, 50427, 56030, 58185, 60723, 67470, 74563, 84045, 100854, 101205, 116370, 121446, 149126, 151281, 168090, 202410, 223689, 252135, 302562, 303615, 372815, 447378, 504270, 607230, 671067, 745630, 756405, 969319, 1118445, 1342134, 1512810, 1938638, 2013201, 2236890, 2907957, 3355335, 4026402, 4846595, 5815914, 6710670, 8723871, 9693190, 10066005, 14539785, 17447742, 20132010, 26171613, 29079570, 43619355, 52343226, 87238710, 130858065, 261716130]

約数ペア:

[(1, 261716130), (2, 130858065), (3, 87238710), (5, 52343226), (6, 43619355), (9, 29079570), (10, 26171613), (13, 20132010), (15, 17447742), (18, 14539785), (26, 10066005), (27, 9693190), (30, 8723871), (39, 6710670), (45, 5815914), (54, 4846595), (65, 4026402), (78, 3355335), (90, 2907957), (117, 2236890), (130, 2013201), (135, 1938638), (173, 1512810), (195, 1342134), (234, 1118445), (270, 969319), (346, 756405), (351, 745630), (390, 671067), (431, 607230), (519, 504270), (585, 447378), (702, 372815), (862, 303615), (865, 302562), (1038, 252135), (1170, 223689), (1293, 202410), (1557, 168090), (1730, 151281), (1755, 149126), (2155, 121446), (2249, 116370), (2586, 101205), (2595, 100854), (3114, 84045), (3510, 74563), (3879, 67470), (4310, 60723), (4498, 58185), (4671, 56030), (5190, 50427), (5603, 46710), (6465, 40482), (6747, 38790), (7758, 33735), (7785, 33618), (9342, 28015), (11206, 23355), (11245, 23274), (11637, 22490), (12930, 20241), (13494, 19395), (15570, 16809)]