171818880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{821}}^1$

素因数の和:952

約数の個数: 128

約数和(自身を含む): 553370400

約数和(自身を除く): 381551520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 109, 120, 128, 160, 192, 218, 240, 320, 327, 384, 436, 480, 545, 640, 654, 821, 872, 960, 1090, 1308, 1635, 1642, 1744, 1920, 2180, 2463, 2616, 3270, 3284, 3488, 4105, 4360, 4926, 5232, 6540, 6568, 6976, 8210, 8720, 9852, 10464, 12315, 13080, 13136, 13952, 16420, 17440, 19704, 20928, 24630, 26160, 26272, 32840, 34880, 39408, 41856, 49260, 52320, 52544, 65680, 69760, 78816, 89489, 98520, 104640, 105088, 131360, 157632, 178978, 197040, 209280, 262720, 268467, 315264, 357956, 394080, 447445, 525440, 536934, 715912, 788160, 894890, 1073868, 1342335, 1431824, 1576320, 1789780, 2147736, 2684670, 2863648, 3579560, 4295472, 5369340, 5727296, 7159120, 8590944, 10738680, 11454592, 14318240, 17181888, 21477360, 28636480, 34363776, 42954720, 57272960, 85909440, 171818880]

約数ペア:

[(1, 171818880), (2, 85909440), (3, 57272960), (4, 42954720), (5, 34363776), (6, 28636480), (8, 21477360), (10, 17181888), (12, 14318240), (15, 11454592), (16, 10738680), (20, 8590944), (24, 7159120), (30, 5727296), (32, 5369340), (40, 4295472), (48, 3579560), (60, 2863648), (64, 2684670), (80, 2147736), (96, 1789780), (109, 1576320), (120, 1431824), (128, 1342335), (160, 1073868), (192, 894890), (218, 788160), (240, 715912), (320, 536934), (327, 525440), (384, 447445), (436, 394080), (480, 357956), (545, 315264), (640, 268467), (654, 262720), (821, 209280), (872, 197040), (960, 178978), (1090, 157632), (1308, 131360), (1635, 105088), (1642, 104640), (1744, 98520), (1920, 89489), (2180, 78816), (2463, 69760), (2616, 65680), (3270, 52544), (3284, 52320), (3488, 49260), (4105, 41856), (4360, 39408), (4926, 34880), (5232, 32840), (6540, 26272), (6568, 26160), (6976, 24630), (8210, 20928), (8720, 19704), (9852, 17440), (10464, 16420), (12315, 13952), (13080, 13136)]