61689240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{491}}^1$

素因数の和:857

約数の個数: 96

約数和(自身を含む): 201474000

約数和(自身を除く): 139784760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 349, 360, 491, 698, 982, 1047, 1396, 1473, 1745, 1964, 2094, 2455, 2792, 2946, 3141, 3490, 3928, 4188, 4419, 4910, 5235, 5892, 6282, 6980, 7365, 8376, 8838, 9820, 10470, 11784, 12564, 13960, 14730, 15705, 17676, 19640, 20940, 22095, 25128, 29460, 31410, 35352, 41880, 44190, 58920, 62820, 88380, 125640, 171359, 176760, 342718, 514077, 685436, 856795, 1028154, 1370872, 1542231, 1713590, 2056308, 2570385, 3084462, 3427180, 4112616, 5140770, 6168924, 6854360, 7711155, 10281540, 12337848, 15422310, 20563080, 30844620, 61689240]

約数ペア:

[(1, 61689240), (2, 30844620), (3, 20563080), (4, 15422310), (5, 12337848), (6, 10281540), (8, 7711155), (9, 6854360), (10, 6168924), (12, 5140770), (15, 4112616), (18, 3427180), (20, 3084462), (24, 2570385), (30, 2056308), (36, 1713590), (40, 1542231), (45, 1370872), (60, 1028154), (72, 856795), (90, 685436), (120, 514077), (180, 342718), (349, 176760), (360, 171359), (491, 125640), (698, 88380), (982, 62820), (1047, 58920), (1396, 44190), (1473, 41880), (1745, 35352), (1964, 31410), (2094, 29460), (2455, 25128), (2792, 22095), (2946, 20940), (3141, 19640), (3490, 17676), (3928, 15705), (4188, 14730), (4419, 13960), (4910, 12564), (5235, 11784), (5892, 10470), (6282, 9820), (6980, 8838), (7365, 8376)]