72920520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{269}}^1$

素因数の和:540

約数の個数: 128

約数和(自身を含む): 244944000

約数和(自身を除く): 172023480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 251, 269, 270, 360, 502, 538, 540, 753, 807, 1004, 1076, 1080, 1255, 1345, 1506, 1614, 2008, 2152, 2259, 2421, 2510, 2690, 3012, 3228, 3765, 4035, 4518, 4842, 5020, 5380, 6024, 6456, 6777, 7263, 7530, 8070, 9036, 9684, 10040, 10760, 11295, 12105, 13554, 14526, 15060, 16140, 18072, 19368, 22590, 24210, 27108, 29052, 30120, 32280, 33885, 36315, 45180, 48420, 54216, 58104, 67519, 67770, 72630, 90360, 96840, 135038, 135540, 145260, 202557, 270076, 271080, 290520, 337595, 405114, 540152, 607671, 675190, 810228, 1012785, 1215342, 1350380, 1620456, 1823013, 2025570, 2430684, 2700760, 3038355, 3646026, 4051140, 4861368, 6076710, 7292052, 8102280, 9115065, 12153420, 14584104, 18230130, 24306840, 36460260, 72920520]

約数ペア:

[(1, 72920520), (2, 36460260), (3, 24306840), (4, 18230130), (5, 14584104), (6, 12153420), (8, 9115065), (9, 8102280), (10, 7292052), (12, 6076710), (15, 4861368), (18, 4051140), (20, 3646026), (24, 3038355), (27, 2700760), (30, 2430684), (36, 2025570), (40, 1823013), (45, 1620456), (54, 1350380), (60, 1215342), (72, 1012785), (90, 810228), (108, 675190), (120, 607671), (135, 540152), (180, 405114), (216, 337595), (251, 290520), (269, 271080), (270, 270076), (360, 202557), (502, 145260), (538, 135540), (540, 135038), (753, 96840), (807, 90360), (1004, 72630), (1076, 67770), (1080, 67519), (1255, 58104), (1345, 54216), (1506, 48420), (1614, 45180), (2008, 36315), (2152, 33885), (2259, 32280), (2421, 30120), (2510, 29052), (2690, 27108), (3012, 24210), (3228, 22590), (3765, 19368), (4035, 18072), (4518, 16140), (4842, 15060), (5020, 14526), (5380, 13554), (6024, 12105), (6456, 11295), (6777, 10760), (7263, 10040), (7530, 9684), (8070, 9036)]