40647960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:698

約数の個数: 128

約数和(自身を含む): 137937600

約数和(自身を除く): 97289640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 90, 108, 120, 122, 135, 180, 183, 216, 244, 270, 305, 360, 366, 488, 540, 549, 610, 617, 732, 915, 1080, 1098, 1220, 1234, 1464, 1647, 1830, 1851, 2196, 2440, 2468, 2745, 3085, 3294, 3660, 3702, 4392, 4936, 5490, 5553, 6170, 6588, 7320, 7404, 8235, 9255, 10980, 11106, 12340, 13176, 14808, 16470, 16659, 18510, 21960, 22212, 24680, 27765, 32940, 33318, 37020, 37637, 44424, 55530, 65880, 66636, 74040, 75274, 83295, 111060, 112911, 133272, 150548, 166590, 188185, 222120, 225822, 301096, 333180, 338733, 376370, 451644, 564555, 666360, 677466, 752740, 903288, 1016199, 1129110, 1354932, 1505480, 1693665, 2032398, 2258220, 2709864, 3387330, 4064796, 4516440, 5080995, 6774660, 8129592, 10161990, 13549320, 20323980, 40647960]

約数ペア:

[(1, 40647960), (2, 20323980), (3, 13549320), (4, 10161990), (5, 8129592), (6, 6774660), (8, 5080995), (9, 4516440), (10, 4064796), (12, 3387330), (15, 2709864), (18, 2258220), (20, 2032398), (24, 1693665), (27, 1505480), (30, 1354932), (36, 1129110), (40, 1016199), (45, 903288), (54, 752740), (60, 677466), (61, 666360), (72, 564555), (90, 451644), (108, 376370), (120, 338733), (122, 333180), (135, 301096), (180, 225822), (183, 222120), (216, 188185), (244, 166590), (270, 150548), (305, 133272), (360, 112911), (366, 111060), (488, 83295), (540, 75274), (549, 74040), (610, 66636), (617, 65880), (732, 55530), (915, 44424), (1080, 37637), (1098, 37020), (1220, 33318), (1234, 32940), (1464, 27765), (1647, 24680), (1830, 22212), (1851, 21960), (2196, 18510), (2440, 16659), (2468, 16470), (2745, 14808), (3085, 13176), (3294, 12340), (3660, 11106), (3702, 10980), (4392, 9255), (4936, 8235), (5490, 7404), (5553, 7320), (6170, 6588)]