65964420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21557}}^1$

素因数の和:21589

約数の個数: 72

約数和(自身を含む): 211872024

約数和(自身を除く): 145907604

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, 306, 340, 510, 612, 765, 1020, 1530, 3060, 21557, 43114, 64671, 86228, 107785, 129342, 194013, 215570, 258684, 323355, 366469, 388026, 431140, 646710, 732938, 776052, 970065, 1099407, 1293420, 1465876, 1832345, 1940130, 2198814, 3298221, 3664690, 3880260, 4397628, 5497035, 6596442, 7329380, 10994070, 13192884, 16491105, 21988140, 32982210, 65964420]

約数ペア:

[(1, 65964420), (2, 32982210), (3, 21988140), (4, 16491105), (5, 13192884), (6, 10994070), (9, 7329380), (10, 6596442), (12, 5497035), (15, 4397628), (17, 3880260), (18, 3664690), (20, 3298221), (30, 2198814), (34, 1940130), (36, 1832345), (45, 1465876), (51, 1293420), (60, 1099407), (68, 970065), (85, 776052), (90, 732938), (102, 646710), (153, 431140), (170, 388026), (180, 366469), (204, 323355), (255, 258684), (306, 215570), (340, 194013), (510, 129342), (612, 107785), (765, 86228), (1020, 64671), (1530, 43114), (3060, 21557)]