128914020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13513}}^1$

素因数の和:13581

約数の個数: 72

約数和(自身を含む): 398446776

約数和(自身を除く): 269532756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 13513, 27026, 40539, 54052, 67565, 81078, 121617, 135130, 162156, 202695, 243234, 270260, 405390, 486468, 608085, 716189, 810780, 1216170, 1432378, 2148567, 2432340, 2864756, 3580945, 4297134, 6445701, 7161890, 8594268, 10742835, 12891402, 14323780, 21485670, 25782804, 32228505, 42971340, 64457010, 128914020]

約数ペア:

[(1, 128914020), (2, 64457010), (3, 42971340), (4, 32228505), (5, 25782804), (6, 21485670), (9, 14323780), (10, 12891402), (12, 10742835), (15, 8594268), (18, 7161890), (20, 6445701), (30, 4297134), (36, 3580945), (45, 2864756), (53, 2432340), (60, 2148567), (90, 1432378), (106, 1216170), (159, 810780), (180, 716189), (212, 608085), (265, 486468), (318, 405390), (477, 270260), (530, 243234), (636, 202695), (795, 162156), (954, 135130), (1060, 121617), (1590, 81078), (1908, 67565), (2385, 54052), (3180, 40539), (4770, 27026), (9540, 13513)]