161524880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{191}}^1$

素因数の和:277

約数の個数: 120

約数和(自身を含む): 425544192

約数和(自身を除く): 264019312

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 191, 220, 248, 310, 341, 382, 440, 496, 620, 682, 764, 880, 955, 961, 1240, 1364, 1528, 1705, 1910, 1922, 2101, 2480, 2728, 3056, 3410, 3820, 3844, 4202, 4805, 5456, 5921, 6820, 7640, 7688, 8404, 9610, 10505, 10571, 11842, 13640, 15280, 15376, 16808, 19220, 21010, 21142, 23684, 27280, 29605, 33616, 38440, 42020, 42284, 47368, 52855, 59210, 65131, 76880, 84040, 84568, 94736, 105710, 118420, 130262, 168080, 169136, 183551, 211420, 236840, 260524, 325655, 367102, 422840, 473680, 521048, 651310, 734204, 845680, 917755, 1042096, 1302620, 1468408, 1835510, 2019061, 2605240, 2936816, 3671020, 4038122, 5210480, 7342040, 8076244, 10095305, 14684080, 16152488, 20190610, 32304976, 40381220, 80762440, 161524880]

約数ペア:

[(1, 161524880), (2, 80762440), (4, 40381220), (5, 32304976), (8, 20190610), (10, 16152488), (11, 14684080), (16, 10095305), (20, 8076244), (22, 7342040), (31, 5210480), (40, 4038122), (44, 3671020), (55, 2936816), (62, 2605240), (80, 2019061), (88, 1835510), (110, 1468408), (124, 1302620), (155, 1042096), (176, 917755), (191, 845680), (220, 734204), (248, 651310), (310, 521048), (341, 473680), (382, 422840), (440, 367102), (496, 325655), (620, 260524), (682, 236840), (764, 211420), (880, 183551), (955, 169136), (961, 168080), (1240, 130262), (1364, 118420), (1528, 105710), (1705, 94736), (1910, 84568), (1922, 84040), (2101, 76880), (2480, 65131), (2728, 59210), (3056, 52855), (3410, 47368), (3820, 42284), (3844, 42020), (4202, 38440), (4805, 33616), (5456, 29605), (5921, 27280), (6820, 23684), (7640, 21142), (7688, 21010), (8404, 19220), (9610, 16808), (10505, 15376), (10571, 15280), (11842, 13640)]