216722340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{20407}}^1$

素因数の和:20481

約数の個数: 72

約数和(自身を含む): 668566080

約数和(自身を除く): 451843740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 3540, 5310, 10620, 20407, 40814, 61221, 81628, 102035, 122442, 183663, 204070, 244884, 306105, 367326, 408140, 612210, 734652, 918315, 1204013, 1224420, 1836630, 2408026, 3612039, 3673260, 4816052, 6020065, 7224078, 10836117, 12040130, 14448156, 18060195, 21672234, 24080260, 36120390, 43344468, 54180585, 72240780, 108361170, 216722340]

約数ペア:

[(1, 216722340), (2, 108361170), (3, 72240780), (4, 54180585), (5, 43344468), (6, 36120390), (9, 24080260), (10, 21672234), (12, 18060195), (15, 14448156), (18, 12040130), (20, 10836117), (30, 7224078), (36, 6020065), (45, 4816052), (59, 3673260), (60, 3612039), (90, 2408026), (118, 1836630), (177, 1224420), (180, 1204013), (236, 918315), (295, 734652), (354, 612210), (531, 408140), (590, 367326), (708, 306105), (885, 244884), (1062, 204070), (1180, 183663), (1770, 122442), (2124, 102035), (2655, 81628), (3540, 61221), (5310, 40814), (10620, 20407)]