67808780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 162570240

約数和(自身を除く): 94761460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 47, 52, 62, 65, 94, 124, 130, 155, 179, 188, 235, 260, 310, 358, 403, 470, 611, 620, 716, 806, 895, 940, 1222, 1457, 1612, 1790, 2015, 2327, 2444, 2914, 3055, 3580, 4030, 4654, 5549, 5828, 6110, 7285, 8060, 8413, 9308, 11098, 11635, 12220, 14570, 16826, 18941, 22196, 23270, 27745, 29140, 33652, 37882, 42065, 46540, 55490, 72137, 75764, 84130, 94705, 109369, 110980, 144274, 168260, 189410, 218738, 260803, 288548, 360685, 378820, 437476, 521606, 546845, 721370, 1043212, 1093690, 1304015, 1442740, 2187380, 2608030, 3390439, 5216060, 6780878, 13561756, 16952195, 33904390, 67808780]

約数ペア:

[(1, 67808780), (2, 33904390), (4, 16952195), (5, 13561756), (10, 6780878), (13, 5216060), (20, 3390439), (26, 2608030), (31, 2187380), (47, 1442740), (52, 1304015), (62, 1093690), (65, 1043212), (94, 721370), (124, 546845), (130, 521606), (155, 437476), (179, 378820), (188, 360685), (235, 288548), (260, 260803), (310, 218738), (358, 189410), (403, 168260), (470, 144274), (611, 110980), (620, 109369), (716, 94705), (806, 84130), (895, 75764), (940, 72137), (1222, 55490), (1457, 46540), (1612, 42065), (1790, 37882), (2015, 33652), (2327, 29140), (2444, 27745), (2914, 23270), (3055, 22196), (3580, 18941), (4030, 16826), (4654, 14570), (5549, 12220), (5828, 11635), (6110, 11098), (7285, 9308), (8060, 8413)]