207507780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3989}}^1$

素因数の和:4038

約数の個数: 108

約数和(自身を含む): 668811780

約数和(自身を除く): 461304000

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, 289, 306, 340, 510, 578, 612, 765, 867, 1020, 1156, 1445, 1530, 1734, 2601, 2890, 3060, 3468, 3989, 4335, 5202, 5780, 7978, 8670, 10404, 11967, 13005, 15956, 17340, 19945, 23934, 26010, 35901, 39890, 47868, 52020, 59835, 67813, 71802, 79780, 119670, 135626, 143604, 179505, 203439, 239340, 271252, 339065, 359010, 406878, 610317, 678130, 718020, 813756, 1017195, 1152821, 1220634, 1356260, 2034390, 2305642, 2441268, 3051585, 3458463, 4068780, 4611284, 5764105, 6103170, 6916926, 10375389, 11528210, 12206340, 13833852, 17292315, 20750778, 23056420, 34584630, 41501556, 51876945, 69169260, 103753890, 207507780]

約数ペア:

[(1, 207507780), (2, 103753890), (3, 69169260), (4, 51876945), (5, 41501556), (6, 34584630), (9, 23056420), (10, 20750778), (12, 17292315), (15, 13833852), (17, 12206340), (18, 11528210), (20, 10375389), (30, 6916926), (34, 6103170), (36, 5764105), (45, 4611284), (51, 4068780), (60, 3458463), (68, 3051585), (85, 2441268), (90, 2305642), (102, 2034390), (153, 1356260), (170, 1220634), (180, 1152821), (204, 1017195), (255, 813756), (289, 718020), (306, 678130), (340, 610317), (510, 406878), (578, 359010), (612, 339065), (765, 271252), (867, 239340), (1020, 203439), (1156, 179505), (1445, 143604), (1530, 135626), (1734, 119670), (2601, 79780), (2890, 71802), (3060, 67813), (3468, 59835), (3989, 52020), (4335, 47868), (5202, 39890), (5780, 35901), (7978, 26010), (8670, 23934), (10404, 19945), (11967, 17340), (13005, 15956)]