221980770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2411}}^1$

素因数の和:2469

約数の個数: 128

約数和(自身を含む): 666869760

約数和(自身を除く): 444888990

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 31, 33, 45, 54, 55, 62, 66, 90, 93, 99, 110, 135, 155, 165, 186, 198, 270, 279, 297, 310, 330, 341, 465, 495, 558, 594, 682, 837, 930, 990, 1023, 1395, 1485, 1674, 1705, 2046, 2411, 2790, 2970, 3069, 3410, 4185, 4822, 5115, 6138, 7233, 8370, 9207, 10230, 12055, 14466, 15345, 18414, 21699, 24110, 26521, 30690, 36165, 43398, 46035, 53042, 65097, 72330, 74741, 79563, 92070, 108495, 130194, 132605, 149482, 159126, 216990, 224223, 238689, 265210, 325485, 373705, 397815, 448446, 477378, 650970, 672669, 716067, 747410, 795630, 822151, 1121115, 1193445, 1345338, 1432134, 1644302, 2018007, 2242230, 2386890, 2466453, 3363345, 3580335, 4036014, 4110755, 4932906, 6726690, 7160670, 7399359, 8221510, 10090035, 12332265, 14798718, 20180070, 22198077, 24664530, 36996795, 44396154, 73993590, 110990385, 221980770]

約数ペア:

[(1, 221980770), (2, 110990385), (3, 73993590), (5, 44396154), (6, 36996795), (9, 24664530), (10, 22198077), (11, 20180070), (15, 14798718), (18, 12332265), (22, 10090035), (27, 8221510), (30, 7399359), (31, 7160670), (33, 6726690), (45, 4932906), (54, 4110755), (55, 4036014), (62, 3580335), (66, 3363345), (90, 2466453), (93, 2386890), (99, 2242230), (110, 2018007), (135, 1644302), (155, 1432134), (165, 1345338), (186, 1193445), (198, 1121115), (270, 822151), (279, 795630), (297, 747410), (310, 716067), (330, 672669), (341, 650970), (465, 477378), (495, 448446), (558, 397815), (594, 373705), (682, 325485), (837, 265210), (930, 238689), (990, 224223), (1023, 216990), (1395, 159126), (1485, 149482), (1674, 132605), (1705, 130194), (2046, 108495), (2411, 92070), (2790, 79563), (2970, 74741), (3069, 72330), (3410, 65097), (4185, 53042), (4822, 46035), (5115, 43398), (6138, 36165), (7233, 30690), (8370, 26521), (9207, 24110), (10230, 21699), (12055, 18414), (14466, 15345)]