990457920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1039}}^1$

素因数の和:1393

約数の個数: 168

約数和(自身を含む): 3420343680

約数和(自身を除く): 2429885760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 331, 360, 480, 576, 662, 720, 960, 993, 1039, 1324, 1440, 1655, 1986, 2078, 2648, 2880, 2979, 3117, 3310, 3972, 4156, 4965, 5195, 5296, 5958, 6234, 6620, 7944, 8312, 9351, 9930, 10390, 10592, 11916, 12468, 13240, 14895, 15585, 15888, 16624, 18702, 19860, 20780, 21184, 23832, 24936, 26480, 29790, 31170, 31776, 33248, 37404, 39720, 41560, 46755, 47664, 49872, 52960, 59580, 62340, 63552, 66496, 74808, 79440, 83120, 93510, 95328, 99744, 105920, 119160, 124680, 149616, 158880, 166240, 187020, 190656, 199488, 238320, 249360, 299232, 317760, 332480, 343909, 374040, 476640, 498720, 598464, 687818, 748080, 953280, 997440, 1031727, 1375636, 1496160, 1719545, 2063454, 2751272, 2992320, 3095181, 3439090, 4126908, 5158635, 5502544, 6190362, 6878180, 8253816, 10317270, 11005088, 12380724, 13756360, 15475905, 16507632, 20634540, 22010176, 24761448, 27512720, 30951810, 33015264, 41269080, 49522896, 55025440, 61903620, 66030528, 82538160, 99045792, 110050880, 123807240, 165076320, 198091584, 247614480, 330152640, 495228960, 990457920]

約数ペア:

[(1, 990457920), (2, 495228960), (3, 330152640), (4, 247614480), (5, 198091584), (6, 165076320), (8, 123807240), (9, 110050880), (10, 99045792), (12, 82538160), (15, 66030528), (16, 61903620), (18, 55025440), (20, 49522896), (24, 41269080), (30, 33015264), (32, 30951810), (36, 27512720), (40, 24761448), (45, 22010176), (48, 20634540), (60, 16507632), (64, 15475905), (72, 13756360), (80, 12380724), (90, 11005088), (96, 10317270), (120, 8253816), (144, 6878180), (160, 6190362), (180, 5502544), (192, 5158635), (240, 4126908), (288, 3439090), (320, 3095181), (331, 2992320), (360, 2751272), (480, 2063454), (576, 1719545), (662, 1496160), (720, 1375636), (960, 1031727), (993, 997440), (1039, 953280), (1324, 748080), (1440, 687818), (1655, 598464), (1986, 498720), (2078, 476640), (2648, 374040), (2880, 343909), (2979, 332480), (3117, 317760), (3310, 299232), (3972, 249360), (4156, 238320), (4965, 199488), (5195, 190656), (5296, 187020), (5958, 166240), (6234, 158880), (6620, 149616), (7944, 124680), (8312, 119160), (9351, 105920), (9930, 99744), (10390, 95328), (10592, 93510), (11916, 83120), (12468, 79440), (13240, 74808), (14895, 66496), (15585, 63552), (15888, 62340), (16624, 59580), (18702, 52960), (19860, 49872), (20780, 47664), (21184, 46755), (23832, 41560), (24936, 39720), (26480, 37404), (29790, 33248), (31170, 31776)]