161874160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3659}}^1$

素因数の和:3758

約数の個数: 80

約数和(自身を含む): 435686400

約数和(自身を除く): 273812240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1580, 2212, 2765, 3160, 3659, 4424, 5530, 6320, 7318, 8848, 11060, 14636, 18295, 22120, 25613, 29272, 36590, 44240, 51226, 58544, 73180, 102452, 128065, 146360, 204904, 256130, 289061, 292720, 409808, 512260, 578122, 1024520, 1156244, 1445305, 2023427, 2049040, 2312488, 2890610, 4046854, 4624976, 5781220, 8093708, 10117135, 11562440, 16187416, 20234270, 23124880, 32374832, 40468540, 80937080, 161874160]

約数ペア:

[(1, 161874160), (2, 80937080), (4, 40468540), (5, 32374832), (7, 23124880), (8, 20234270), (10, 16187416), (14, 11562440), (16, 10117135), (20, 8093708), (28, 5781220), (35, 4624976), (40, 4046854), (56, 2890610), (70, 2312488), (79, 2049040), (80, 2023427), (112, 1445305), (140, 1156244), (158, 1024520), (280, 578122), (316, 512260), (395, 409808), (553, 292720), (560, 289061), (632, 256130), (790, 204904), (1106, 146360), (1264, 128065), (1580, 102452), (2212, 73180), (2765, 58544), (3160, 51226), (3659, 44240), (4424, 36590), (5530, 29272), (6320, 25613), (7318, 22120), (8848, 18295), (11060, 14636)]