642643120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{3467}}^1$

素因数の和:3818

約数の個数: 80

約数和(自身を含む): 1713247488

約数和(自身を除く): 1070604368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 331, 560, 662, 1324, 1655, 2317, 2648, 3310, 3467, 4634, 5296, 6620, 6934, 9268, 11585, 13240, 13868, 17335, 18536, 23170, 24269, 26480, 27736, 34670, 37072, 46340, 48538, 55472, 69340, 92680, 97076, 121345, 138680, 185360, 194152, 242690, 277360, 388304, 485380, 970760, 1147577, 1941520, 2295154, 4590308, 5737885, 8033039, 9180616, 11475770, 16066078, 18361232, 22951540, 32132156, 40165195, 45903080, 64264312, 80330390, 91806160, 128528624, 160660780, 321321560, 642643120]

約数ペア:

[(1, 642643120), (2, 321321560), (4, 160660780), (5, 128528624), (7, 91806160), (8, 80330390), (10, 64264312), (14, 45903080), (16, 40165195), (20, 32132156), (28, 22951540), (35, 18361232), (40, 16066078), (56, 11475770), (70, 9180616), (80, 8033039), (112, 5737885), (140, 4590308), (280, 2295154), (331, 1941520), (560, 1147577), (662, 970760), (1324, 485380), (1655, 388304), (2317, 277360), (2648, 242690), (3310, 194152), (3467, 185360), (4634, 138680), (5296, 121345), (6620, 97076), (6934, 92680), (9268, 69340), (11585, 55472), (13240, 48538), (13868, 46340), (17335, 37072), (18536, 34670), (23170, 27736), (24269, 26480)]