138603720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67943}}^1$

素因数の和:67974

約数の個数: 64

約数和(自身を含む): 440277120

約数和(自身を除く): 301673400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 67943, 135886, 203829, 271772, 339715, 407658, 543544, 679430, 815316, 1019145, 1155031, 1358860, 1630632, 2038290, 2310062, 2717720, 3465093, 4076580, 4620124, 5775155, 6930186, 8153160, 9240248, 11550310, 13860372, 17325465, 23100620, 27720744, 34650930, 46201240, 69301860, 138603720]

約数ペア:

[(1, 138603720), (2, 69301860), (3, 46201240), (4, 34650930), (5, 27720744), (6, 23100620), (8, 17325465), (10, 13860372), (12, 11550310), (15, 9240248), (17, 8153160), (20, 6930186), (24, 5775155), (30, 4620124), (34, 4076580), (40, 3465093), (51, 2717720), (60, 2310062), (68, 2038290), (85, 1630632), (102, 1358860), (120, 1155031), (136, 1019145), (170, 815316), (204, 679430), (255, 543544), (340, 407658), (408, 339715), (510, 271772), (680, 203829), (1020, 135886), (2040, 67943)]