28757280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{331}}^1$

素因数の和:530

約数の個数: 96

約数和(自身を含む): 91361088

約数和(自身を除く): 62603808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 181, 240, 331, 362, 480, 543, 662, 724, 905, 993, 1086, 1324, 1448, 1655, 1810, 1986, 2172, 2648, 2715, 2896, 3310, 3620, 3972, 4344, 4965, 5296, 5430, 5792, 6620, 7240, 7944, 8688, 9930, 10592, 10860, 13240, 14480, 15888, 17376, 19860, 21720, 26480, 28960, 31776, 39720, 43440, 52960, 59911, 79440, 86880, 119822, 158880, 179733, 239644, 299555, 359466, 479288, 599110, 718932, 898665, 958576, 1198220, 1437864, 1797330, 1917152, 2396440, 2875728, 3594660, 4792880, 5751456, 7189320, 9585760, 14378640, 28757280]

約数ペア:

[(1, 28757280), (2, 14378640), (3, 9585760), (4, 7189320), (5, 5751456), (6, 4792880), (8, 3594660), (10, 2875728), (12, 2396440), (15, 1917152), (16, 1797330), (20, 1437864), (24, 1198220), (30, 958576), (32, 898665), (40, 718932), (48, 599110), (60, 479288), (80, 359466), (96, 299555), (120, 239644), (160, 179733), (181, 158880), (240, 119822), (331, 86880), (362, 79440), (480, 59911), (543, 52960), (662, 43440), (724, 39720), (905, 31776), (993, 28960), (1086, 26480), (1324, 21720), (1448, 19860), (1655, 17376), (1810, 15888), (1986, 14480), (2172, 13240), (2648, 10860), (2715, 10592), (2896, 9930), (3310, 8688), (3620, 7944), (3972, 7240), (4344, 6620), (4965, 5792), (5296, 5430)]