638992770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3109}}^1$

素因数の和:3180

約数の個数: 128

約数和(自身を含む): 1805690880

約数和(自身を除く): 1166698110

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 31, 34, 39, 51, 62, 65, 78, 85, 93, 102, 130, 155, 170, 186, 195, 221, 255, 310, 390, 403, 442, 465, 510, 527, 663, 806, 930, 1054, 1105, 1209, 1326, 1581, 2015, 2210, 2418, 2635, 3109, 3162, 3315, 4030, 5270, 6045, 6218, 6630, 6851, 7905, 9327, 12090, 13702, 15545, 15810, 18654, 20553, 31090, 34255, 40417, 41106, 46635, 52853, 68510, 80834, 93270, 96379, 102765, 105706, 121251, 158559, 192758, 202085, 205530, 242502, 264265, 289137, 317118, 404170, 481895, 528530, 578274, 606255, 687089, 792795, 963790, 1212510, 1252927, 1374178, 1445685, 1585590, 1638443, 2061267, 2505854, 2891370, 3276886, 3435445, 3758781, 4122534, 4915329, 6264635, 6870890, 7517562, 8192215, 9830658, 10306335, 12529270, 16384430, 18793905, 20612670, 21299759, 24576645, 37587810, 42599518, 49153290, 63899277, 106498795, 127798554, 212997590, 319496385, 638992770]

約数ペア:

[(1, 638992770), (2, 319496385), (3, 212997590), (5, 127798554), (6, 106498795), (10, 63899277), (13, 49153290), (15, 42599518), (17, 37587810), (26, 24576645), (30, 21299759), (31, 20612670), (34, 18793905), (39, 16384430), (51, 12529270), (62, 10306335), (65, 9830658), (78, 8192215), (85, 7517562), (93, 6870890), (102, 6264635), (130, 4915329), (155, 4122534), (170, 3758781), (186, 3435445), (195, 3276886), (221, 2891370), (255, 2505854), (310, 2061267), (390, 1638443), (403, 1585590), (442, 1445685), (465, 1374178), (510, 1252927), (527, 1212510), (663, 963790), (806, 792795), (930, 687089), (1054, 606255), (1105, 578274), (1209, 528530), (1326, 481895), (1581, 404170), (2015, 317118), (2210, 289137), (2418, 264265), (2635, 242502), (3109, 205530), (3162, 202085), (3315, 192758), (4030, 158559), (5270, 121251), (6045, 105706), (6218, 102765), (6630, 96379), (6851, 93270), (7905, 80834), (9327, 68510), (12090, 52853), (13702, 46635), (15545, 41106), (15810, 40417), (18654, 34255), (20553, 31090)]