67580720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 166998240

約数和(自身を除く): 99417520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 173, 190, 257, 304, 346, 380, 514, 692, 760, 865, 1028, 1285, 1384, 1520, 1730, 2056, 2570, 2768, 3287, 3460, 4112, 4883, 5140, 6574, 6920, 9766, 10280, 13148, 13840, 16435, 19532, 20560, 24415, 26296, 32870, 39064, 44461, 48830, 52592, 65740, 78128, 88922, 97660, 131480, 177844, 195320, 222305, 262960, 355688, 390640, 444610, 711376, 844759, 889220, 1689518, 1778440, 3379036, 3556880, 4223795, 6758072, 8447590, 13516144, 16895180, 33790360, 67580720]

約数ペア:

[(1, 67580720), (2, 33790360), (4, 16895180), (5, 13516144), (8, 8447590), (10, 6758072), (16, 4223795), (19, 3556880), (20, 3379036), (38, 1778440), (40, 1689518), (76, 889220), (80, 844759), (95, 711376), (152, 444610), (173, 390640), (190, 355688), (257, 262960), (304, 222305), (346, 195320), (380, 177844), (514, 131480), (692, 97660), (760, 88922), (865, 78128), (1028, 65740), (1285, 52592), (1384, 48830), (1520, 44461), (1730, 39064), (2056, 32870), (2570, 26296), (2768, 24415), (3287, 20560), (3460, 19532), (4112, 16435), (4883, 13840), (5140, 13148), (6574, 10280), (6920, 9766)]