864840720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{18671}}^1$

素因数の和:18880

約数の個数: 80

約数和(自身を含む): 2695041792

約数和(自身を除く): 1830201072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 193, 240, 386, 579, 772, 965, 1158, 1544, 1930, 2316, 2895, 3088, 3860, 4632, 5790, 7720, 9264, 11580, 15440, 18671, 23160, 37342, 46320, 56013, 74684, 93355, 112026, 149368, 186710, 224052, 280065, 298736, 373420, 448104, 560130, 746840, 896208, 1120260, 1493680, 2240520, 3603503, 4481040, 7207006, 10810509, 14414012, 18017515, 21621018, 28828024, 36035030, 43242036, 54052545, 57656048, 72070060, 86484072, 108105090, 144140120, 172968144, 216210180, 288280240, 432420360, 864840720]

約数ペア:

[(1, 864840720), (2, 432420360), (3, 288280240), (4, 216210180), (5, 172968144), (6, 144140120), (8, 108105090), (10, 86484072), (12, 72070060), (15, 57656048), (16, 54052545), (20, 43242036), (24, 36035030), (30, 28828024), (40, 21621018), (48, 18017515), (60, 14414012), (80, 10810509), (120, 7207006), (193, 4481040), (240, 3603503), (386, 2240520), (579, 1493680), (772, 1120260), (965, 896208), (1158, 746840), (1544, 560130), (1930, 448104), (2316, 373420), (2895, 298736), (3088, 280065), (3860, 224052), (4632, 186710), (5790, 149368), (7720, 112026), (9264, 93355), (11580, 74684), (15440, 56013), (18671, 46320), (23160, 37342)]