81183150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{223}}^1\times {\mathrm{809}}^1$

素因数の和:1050

約数の個数: 72

約数和(自身を含む): 219360960

約数和(自身を除く): 138177810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 223, 225, 446, 450, 669, 809, 1115, 1338, 1618, 2007, 2230, 2427, 3345, 4014, 4045, 4854, 5575, 6690, 7281, 8090, 10035, 11150, 12135, 14562, 16725, 20070, 20225, 24270, 33450, 36405, 40450, 50175, 60675, 72810, 100350, 121350, 180407, 182025, 360814, 364050, 541221, 902035, 1082442, 1623663, 1804070, 2706105, 3247326, 4510175, 5412210, 8118315, 9020350, 13530525, 16236630, 27061050, 40591575, 81183150]

約数ペア:

[(1, 81183150), (2, 40591575), (3, 27061050), (5, 16236630), (6, 13530525), (9, 9020350), (10, 8118315), (15, 5412210), (18, 4510175), (25, 3247326), (30, 2706105), (45, 1804070), (50, 1623663), (75, 1082442), (90, 902035), (150, 541221), (223, 364050), (225, 360814), (446, 182025), (450, 180407), (669, 121350), (809, 100350), (1115, 72810), (1338, 60675), (1618, 50175), (2007, 40450), (2230, 36405), (2427, 33450), (3345, 24270), (4014, 20225), (4045, 20070), (4854, 16725), (5575, 14562), (6690, 12135), (7281, 11150), (8090, 10035)]