1620387678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1433}}^1$

素因数の和:1586

約数の個数: 128

約数和(自身を含む): 4240051200

約数和(自身を除く): 2619663522

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 109, 114, 133, 182, 218, 247, 266, 273, 327, 399, 494, 546, 654, 741, 763, 798, 1417, 1433, 1482, 1526, 1729, 2071, 2289, 2834, 2866, 3458, 4142, 4251, 4299, 4578, 5187, 6213, 8502, 8598, 9919, 10031, 10374, 12426, 14497, 18629, 19838, 20062, 26923, 27227, 28994, 29757, 30093, 37258, 43491, 53846, 54454, 55887, 59514, 60186, 80769, 81681, 86982, 111774, 130403, 156197, 161538, 163362, 188461, 190589, 260806, 312394, 353951, 376922, 381178, 391209, 468591, 565383, 571767, 707902, 782418, 937182, 1061853, 1093379, 1130766, 1143534, 2030561, 2123706, 2186758, 2477657, 2967743, 3280137, 4061122, 4955314, 5935486, 6091683, 6560274, 7432971, 8903229, 12183366, 14213927, 14865942, 17806458, 20774201, 28427854, 38580659, 41548402, 42641781, 62322603, 77161318, 85283562, 115741977, 124645206, 231483954, 270064613, 540129226, 810193839, 1620387678]

約数ペア:

[(1, 1620387678), (2, 810193839), (3, 540129226), (6, 270064613), (7, 231483954), (13, 124645206), (14, 115741977), (19, 85283562), (21, 77161318), (26, 62322603), (38, 42641781), (39, 41548402), (42, 38580659), (57, 28427854), (78, 20774201), (91, 17806458), (109, 14865942), (114, 14213927), (133, 12183366), (182, 8903229), (218, 7432971), (247, 6560274), (266, 6091683), (273, 5935486), (327, 4955314), (399, 4061122), (494, 3280137), (546, 2967743), (654, 2477657), (741, 2186758), (763, 2123706), (798, 2030561), (1417, 1143534), (1433, 1130766), (1482, 1093379), (1526, 1061853), (1729, 937182), (2071, 782418), (2289, 707902), (2834, 571767), (2866, 565383), (3458, 468591), (4142, 391209), (4251, 381178), (4299, 376922), (4578, 353951), (5187, 312394), (6213, 260806), (8502, 190589), (8598, 188461), (9919, 163362), (10031, 161538), (10374, 156197), (12426, 130403), (14497, 111774), (18629, 86982), (19838, 81681), (20062, 80769), (26923, 60186), (27227, 59514), (28994, 55887), (29757, 54454), (30093, 53846), (37258, 43491)]