64849280

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5333}}^1$

素因数の和:5371

約数の個数: 64

約数和(自身を含む): 163220400

約数和(自身を除く): 98371120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 5333, 6080, 10666, 12160, 21332, 26665, 42664, 53330, 85328, 101327, 106660, 170656, 202654, 213320, 341312, 405308, 426640, 506635, 682624, 810616, 853280, 1013270, 1621232, 1706560, 2026540, 3242464, 3413120, 4053080, 6484928, 8106160, 12969856, 16212320, 32424640, 64849280]

約数ペア:

[(1, 64849280), (2, 32424640), (4, 16212320), (5, 12969856), (8, 8106160), (10, 6484928), (16, 4053080), (19, 3413120), (20, 3242464), (32, 2026540), (38, 1706560), (40, 1621232), (64, 1013270), (76, 853280), (80, 810616), (95, 682624), (128, 506635), (152, 426640), (160, 405308), (190, 341312), (304, 213320), (320, 202654), (380, 170656), (608, 106660), (640, 101327), (760, 85328), (1216, 53330), (1520, 42664), (2432, 26665), (3040, 21332), (5333, 12160), (6080, 10666)]