278040780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90863}}^1$

素因数の和:90895

約数の個数: 72

約数和(自身を含む): 893011392

約数和(自身を除く): 614970612

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, 90863, 181726, 272589, 363452, 454315, 545178, 817767, 908630, 1090356, 1362945, 1544671, 1635534, 1817260, 2725890, 3089342, 3271068, 4088835, 4634013, 5451780, 6178684, 7723355, 8177670, 9268026, 13902039, 15446710, 16355340, 18536052, 23170065, 27804078, 30893420, 46340130, 55608156, 69510195, 92680260, 139020390, 278040780]

約数ペア:

[(1, 278040780), (2, 139020390), (3, 92680260), (4, 69510195), (5, 55608156), (6, 46340130), (9, 30893420), (10, 27804078), (12, 23170065), (15, 18536052), (17, 16355340), (18, 15446710), (20, 13902039), (30, 9268026), (34, 8177670), (36, 7723355), (45, 6178684), (51, 5451780), (60, 4634013), (68, 4088835), (85, 3271068), (90, 3089342), (102, 2725890), (153, 1817260), (170, 1635534), (180, 1544671), (204, 1362945), (255, 1090356), (306, 908630), (340, 817767), (510, 545178), (612, 454315), (765, 363452), (1020, 272589), (1530, 181726), (3060, 90863)]