19757520

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3049}}^1$

素因数の和:3074

約数の個数: 100

約数和(自身を含む): 68643300

約数和(自身を除く): 48885780

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3049, 3240, 6098, 6480, 9147, 12196, 15245, 18294, 24392, 27441, 30490, 36588, 45735, 48784, 54882, 60980, 73176, 82323, 91470, 109764, 121960, 137205, 146352, 164646, 182940, 219528, 243920, 246969, 274410, 329292, 365880, 411615, 439056, 493938, 548820, 658584, 731760, 823230, 987876, 1097640, 1234845, 1317168, 1646460, 1975752, 2195280, 2469690, 3292920, 3951504, 4939380, 6585840, 9878760, 19757520]

約数ペア:

[(1, 19757520), (2, 9878760), (3, 6585840), (4, 4939380), (5, 3951504), (6, 3292920), (8, 2469690), (9, 2195280), (10, 1975752), (12, 1646460), (15, 1317168), (16, 1234845), (18, 1097640), (20, 987876), (24, 823230), (27, 731760), (30, 658584), (36, 548820), (40, 493938), (45, 439056), (48, 411615), (54, 365880), (60, 329292), (72, 274410), (80, 246969), (81, 243920), (90, 219528), (108, 182940), (120, 164646), (135, 146352), (144, 137205), (162, 121960), (180, 109764), (216, 91470), (240, 82323), (270, 73176), (324, 60980), (360, 54882), (405, 48784), (432, 45735), (540, 36588), (648, 30490), (720, 27441), (810, 24392), (1080, 18294), (1296, 15245), (1620, 12196), (2160, 9147), (3049, 6480), (3240, 6098)]