179268880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2039}}^1$

素因数の和:2216

約数の個数: 80

約数和(自身を含む): 479612160

約数和(自身を除く): 300343280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 785, 1099, 1256, 1570, 2039, 2198, 2512, 3140, 4078, 4396, 5495, 6280, 8156, 8792, 10195, 10990, 12560, 14273, 16312, 17584, 20390, 21980, 28546, 32624, 40780, 43960, 57092, 71365, 81560, 87920, 114184, 142730, 163120, 228368, 285460, 320123, 570920, 640246, 1141840, 1280492, 1600615, 2240861, 2560984, 3201230, 4481722, 5121968, 6402460, 8963444, 11204305, 12804920, 17926888, 22408610, 25609840, 35853776, 44817220, 89634440, 179268880]

約数ペア:

[(1, 179268880), (2, 89634440), (4, 44817220), (5, 35853776), (7, 25609840), (8, 22408610), (10, 17926888), (14, 12804920), (16, 11204305), (20, 8963444), (28, 6402460), (35, 5121968), (40, 4481722), (56, 3201230), (70, 2560984), (80, 2240861), (112, 1600615), (140, 1280492), (157, 1141840), (280, 640246), (314, 570920), (560, 320123), (628, 285460), (785, 228368), (1099, 163120), (1256, 142730), (1570, 114184), (2039, 87920), (2198, 81560), (2512, 71365), (3140, 57092), (4078, 43960), (4396, 40780), (5495, 32624), (6280, 28546), (8156, 21980), (8792, 20390), (10195, 17584), (10990, 16312), (12560, 14273)]