291244440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:433

約数の個数: 128

約数和(自身を含む): 894136320

約数和(自身を除く): 602891880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 131, 191, 194, 262, 291, 382, 388, 393, 485, 524, 573, 582, 655, 764, 776, 786, 955, 970, 1048, 1146, 1164, 1310, 1455, 1528, 1572, 1910, 1940, 1965, 2292, 2328, 2620, 2865, 2910, 3144, 3820, 3880, 3930, 4584, 5240, 5730, 5820, 7640, 7860, 11460, 11640, 12707, 15720, 18527, 22920, 25021, 25414, 37054, 38121, 50042, 50828, 55581, 63535, 74108, 75063, 76242, 92635, 100084, 101656, 111162, 125105, 127070, 148216, 150126, 152484, 185270, 190605, 200168, 222324, 250210, 254140, 277905, 300252, 304968, 370540, 375315, 381210, 444648, 500420, 508280, 555810, 600504, 741080, 750630, 762420, 1000840, 1111620, 1501260, 1524840, 2223240, 2427037, 3002520, 4854074, 7281111, 9708148, 12135185, 14562222, 19416296, 24270370, 29124444, 36405555, 48540740, 58248888, 72811110, 97081480, 145622220, 291244440]

約数ペア:

[(1, 291244440), (2, 145622220), (3, 97081480), (4, 72811110), (5, 58248888), (6, 48540740), (8, 36405555), (10, 29124444), (12, 24270370), (15, 19416296), (20, 14562222), (24, 12135185), (30, 9708148), (40, 7281111), (60, 4854074), (97, 3002520), (120, 2427037), (131, 2223240), (191, 1524840), (194, 1501260), (262, 1111620), (291, 1000840), (382, 762420), (388, 750630), (393, 741080), (485, 600504), (524, 555810), (573, 508280), (582, 500420), (655, 444648), (764, 381210), (776, 375315), (786, 370540), (955, 304968), (970, 300252), (1048, 277905), (1146, 254140), (1164, 250210), (1310, 222324), (1455, 200168), (1528, 190605), (1572, 185270), (1910, 152484), (1940, 150126), (1965, 148216), (2292, 127070), (2328, 125105), (2620, 111162), (2865, 101656), (2910, 100084), (3144, 92635), (3820, 76242), (3880, 75063), (3930, 74108), (4584, 63535), (5240, 55581), (5730, 50828), (5820, 50042), (7640, 38121), (7860, 37054), (11460, 25414), (11640, 25021), (12707, 22920), (15720, 18527)]