80718080

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3319}}^1$

素因数の和:3359

約数の個数: 72

約数和(自身を含む): 203582400

約数和(自身を除く): 122864320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 3319, 4864, 6080, 6638, 12160, 13276, 16595, 24320, 26552, 33190, 53104, 63061, 66380, 106208, 126122, 132760, 212416, 252244, 265520, 315305, 424832, 504488, 531040, 630610, 849664, 1008976, 1062080, 1261220, 2017952, 2124160, 2522440, 4035904, 4248320, 5044880, 8071808, 10089760, 16143616, 20179520, 40359040, 80718080]

約数ペア:

[(1, 80718080), (2, 40359040), (4, 20179520), (5, 16143616), (8, 10089760), (10, 8071808), (16, 5044880), (19, 4248320), (20, 4035904), (32, 2522440), (38, 2124160), (40, 2017952), (64, 1261220), (76, 1062080), (80, 1008976), (95, 849664), (128, 630610), (152, 531040), (160, 504488), (190, 424832), (256, 315305), (304, 265520), (320, 252244), (380, 212416), (608, 132760), (640, 126122), (760, 106208), (1216, 66380), (1280, 63061), (1520, 53104), (2432, 33190), (3040, 26552), (3319, 24320), (4864, 16595), (6080, 13276), (6638, 12160)]