17787780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5813}}^1$

素因数の和:5845

約数の個数: 72

約数和(自身を含む): 57139992

約数和(自身を除く): 39352212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 5813, 11626, 17439, 23252, 29065, 34878, 52317, 58130, 69756, 87195, 98821, 104634, 116260, 174390, 197642, 209268, 261585, 296463, 348780, 395284, 494105, 523170, 592926, 889389, 988210, 1046340, 1185852, 1482315, 1778778, 1976420, 2964630, 3557556, 4446945, 5929260, 8893890, 17787780]

約数ペア:

[(1, 17787780), (2, 8893890), (3, 5929260), (4, 4446945), (5, 3557556), (6, 2964630), (9, 1976420), (10, 1778778), (12, 1482315), (15, 1185852), (17, 1046340), (18, 988210), (20, 889389), (30, 592926), (34, 523170), (36, 494105), (45, 395284), (51, 348780), (60, 296463), (68, 261585), (85, 209268), (90, 197642), (102, 174390), (153, 116260), (170, 104634), (180, 98821), (204, 87195), (255, 69756), (306, 58130), (340, 52317), (510, 34878), (612, 29065), (765, 23252), (1020, 17439), (1530, 11626), (3060, 5813)]