120180420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4481}}^1$

素因数の和:4645

約数の個数: 72

約数和(自身を含む): 367075800

約数和(自身を除く): 246895380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 4470, 4481, 5364, 6705, 8940, 8962, 13410, 13443, 17924, 22405, 26820, 26886, 40329, 44810, 53772, 67215, 80658, 89620, 134430, 161316, 201645, 268860, 403290, 667669, 806580, 1335338, 2003007, 2670676, 3338345, 4006014, 6009021, 6676690, 8012028, 10015035, 12018042, 13353380, 20030070, 24036084, 30045105, 40060140, 60090210, 120180420]

約数ペア:

[(1, 120180420), (2, 60090210), (3, 40060140), (4, 30045105), (5, 24036084), (6, 20030070), (9, 13353380), (10, 12018042), (12, 10015035), (15, 8012028), (18, 6676690), (20, 6009021), (30, 4006014), (36, 3338345), (45, 2670676), (60, 2003007), (90, 1335338), (149, 806580), (180, 667669), (298, 403290), (447, 268860), (596, 201645), (745, 161316), (894, 134430), (1341, 89620), (1490, 80658), (1788, 67215), (2235, 53772), (2682, 44810), (2980, 40329), (4470, 26886), (4481, 26820), (5364, 22405), (6705, 17924), (8940, 13443), (8962, 13410)]