74122720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{229}}^1$

素因数の和:285

約数の個数: 144

約数和(自身を含む): 213524640

約数和(自身を除く): 139401920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 229, 238, 272, 280, 289, 340, 458, 476, 544, 560, 578, 595, 680, 916, 952, 1120, 1145, 1156, 1190, 1360, 1445, 1603, 1832, 1904, 2023, 2290, 2312, 2380, 2720, 2890, 3206, 3664, 3808, 3893, 4046, 4580, 4624, 4760, 5780, 6412, 7328, 7786, 8015, 8092, 9160, 9248, 9520, 10115, 11560, 12824, 15572, 16030, 16184, 18320, 19040, 19465, 20230, 23120, 25648, 27251, 31144, 32060, 32368, 36640, 38930, 40460, 46240, 51296, 54502, 62288, 64120, 64736, 66181, 77860, 80920, 109004, 124576, 128240, 132362, 136255, 155720, 161840, 218008, 256480, 264724, 272510, 311440, 323680, 330905, 436016, 463267, 529448, 545020, 622880, 661810, 872032, 926534, 1058896, 1090040, 1323620, 1853068, 2117792, 2180080, 2316335, 2647240, 3706136, 4360160, 4632670, 5294480, 7412272, 9265340, 10588960, 14824544, 18530680, 37061360, 74122720]

約数ペア:

[(1, 74122720), (2, 37061360), (4, 18530680), (5, 14824544), (7, 10588960), (8, 9265340), (10, 7412272), (14, 5294480), (16, 4632670), (17, 4360160), (20, 3706136), (28, 2647240), (32, 2316335), (34, 2180080), (35, 2117792), (40, 1853068), (56, 1323620), (68, 1090040), (70, 1058896), (80, 926534), (85, 872032), (112, 661810), (119, 622880), (136, 545020), (140, 529448), (160, 463267), (170, 436016), (224, 330905), (229, 323680), (238, 311440), (272, 272510), (280, 264724), (289, 256480), (340, 218008), (458, 161840), (476, 155720), (544, 136255), (560, 132362), (578, 128240), (595, 124576), (680, 109004), (916, 80920), (952, 77860), (1120, 66181), (1145, 64736), (1156, 64120), (1190, 62288), (1360, 54502), (1445, 51296), (1603, 46240), (1832, 40460), (1904, 38930), (2023, 36640), (2290, 32368), (2312, 32060), (2380, 31144), (2720, 27251), (2890, 25648), (3206, 23120), (3664, 20230), (3808, 19465), (3893, 19040), (4046, 18320), (4580, 16184), (4624, 16030), (4760, 15572), (5780, 12824), (6412, 11560), (7328, 10115), (7786, 9520), (8015, 9248), (8092, 9160)]