201919860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{3607}}^1$

素因数の和:3933

約数の個数: 72

約数和(自身を含む): 614630016

約数和(自身を除く): 412710156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 311, 622, 933, 1244, 1555, 1866, 2799, 3110, 3607, 3732, 4665, 5598, 6220, 7214, 9330, 10821, 11196, 13995, 14428, 18035, 18660, 21642, 27990, 32463, 36070, 43284, 54105, 55980, 64926, 72140, 108210, 129852, 162315, 216420, 324630, 649260, 1121777, 2243554, 3365331, 4487108, 5608885, 6730662, 10095993, 11217770, 13461324, 16826655, 20191986, 22435540, 33653310, 40383972, 50479965, 67306620, 100959930, 201919860]

約数ペア:

[(1, 201919860), (2, 100959930), (3, 67306620), (4, 50479965), (5, 40383972), (6, 33653310), (9, 22435540), (10, 20191986), (12, 16826655), (15, 13461324), (18, 11217770), (20, 10095993), (30, 6730662), (36, 5608885), (45, 4487108), (60, 3365331), (90, 2243554), (180, 1121777), (311, 649260), (622, 324630), (933, 216420), (1244, 162315), (1555, 129852), (1866, 108210), (2799, 72140), (3110, 64926), (3607, 55980), (3732, 54105), (4665, 43284), (5598, 36070), (6220, 32463), (7214, 27990), (9330, 21642), (10821, 18660), (11196, 18035), (13995, 14428)]