166913920

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:276

約数の個数: 128

約数和(自身を含む): 423014400

約数和(自身を除く): 256100480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 47, 62, 64, 80, 94, 124, 128, 155, 160, 179, 188, 235, 248, 310, 320, 358, 376, 470, 496, 620, 640, 716, 752, 895, 940, 992, 1240, 1432, 1457, 1504, 1790, 1880, 1984, 2480, 2864, 2914, 3008, 3580, 3760, 3968, 4960, 5549, 5728, 5828, 6016, 7160, 7285, 7520, 8413, 9920, 11098, 11456, 11656, 14320, 14570, 15040, 16826, 19840, 22196, 22912, 23312, 27745, 28640, 29140, 30080, 33652, 42065, 44392, 46624, 55490, 57280, 58280, 67304, 84130, 88784, 93248, 110980, 114560, 116560, 134608, 168260, 177568, 186496, 221960, 233120, 260803, 269216, 336520, 355136, 443920, 466240, 521606, 538432, 673040, 710272, 887840, 932480, 1043212, 1076864, 1304015, 1346080, 1775680, 2086424, 2608030, 2692160, 3551360, 4172848, 5216060, 5384320, 8345696, 10432120, 16691392, 20864240, 33382784, 41728480, 83456960, 166913920]

約数ペア:

[(1, 166913920), (2, 83456960), (4, 41728480), (5, 33382784), (8, 20864240), (10, 16691392), (16, 10432120), (20, 8345696), (31, 5384320), (32, 5216060), (40, 4172848), (47, 3551360), (62, 2692160), (64, 2608030), (80, 2086424), (94, 1775680), (124, 1346080), (128, 1304015), (155, 1076864), (160, 1043212), (179, 932480), (188, 887840), (235, 710272), (248, 673040), (310, 538432), (320, 521606), (358, 466240), (376, 443920), (470, 355136), (496, 336520), (620, 269216), (640, 260803), (716, 233120), (752, 221960), (895, 186496), (940, 177568), (992, 168260), (1240, 134608), (1432, 116560), (1457, 114560), (1504, 110980), (1790, 93248), (1880, 88784), (1984, 84130), (2480, 67304), (2864, 58280), (2914, 57280), (3008, 55490), (3580, 46624), (3760, 44392), (3968, 42065), (4960, 33652), (5549, 30080), (5728, 29140), (5828, 28640), (6016, 27745), (7160, 23312), (7285, 22912), (7520, 22196), (8413, 19840), (9920, 16826), (11098, 15040), (11456, 14570), (11656, 14320)]