30505920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:802

約数の個数: 112

約数和(自身を含む): 99242880

約数和(自身を除く): 68736960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 129, 160, 172, 192, 215, 240, 258, 320, 344, 430, 480, 516, 645, 688, 739, 860, 960, 1032, 1290, 1376, 1478, 1720, 2064, 2217, 2580, 2752, 2956, 3440, 3695, 4128, 4434, 5160, 5912, 6880, 7390, 8256, 8868, 10320, 11085, 11824, 13760, 14780, 17736, 20640, 22170, 23648, 29560, 31777, 35472, 41280, 44340, 47296, 59120, 63554, 70944, 88680, 95331, 118240, 127108, 141888, 158885, 177360, 190662, 236480, 254216, 317770, 354720, 381324, 476655, 508432, 635540, 709440, 762648, 953310, 1016864, 1271080, 1525296, 1906620, 2033728, 2542160, 3050592, 3813240, 5084320, 6101184, 7626480, 10168640, 15252960, 30505920]

約数ペア:

[(1, 30505920), (2, 15252960), (3, 10168640), (4, 7626480), (5, 6101184), (6, 5084320), (8, 3813240), (10, 3050592), (12, 2542160), (15, 2033728), (16, 1906620), (20, 1525296), (24, 1271080), (30, 1016864), (32, 953310), (40, 762648), (43, 709440), (48, 635540), (60, 508432), (64, 476655), (80, 381324), (86, 354720), (96, 317770), (120, 254216), (129, 236480), (160, 190662), (172, 177360), (192, 158885), (215, 141888), (240, 127108), (258, 118240), (320, 95331), (344, 88680), (430, 70944), (480, 63554), (516, 59120), (645, 47296), (688, 44340), (739, 41280), (860, 35472), (960, 31777), (1032, 29560), (1290, 23648), (1376, 22170), (1478, 20640), (1720, 17736), (2064, 14780), (2217, 13760), (2580, 11824), (2752, 11085), (2956, 10320), (3440, 8868), (3695, 8256), (4128, 7390), (4434, 6880), (5160, 5912)]