1781120

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1$

素因数の和:64

約数の個数: 96

約数和(自身を含む): 4883760

約数和(自身を除く): 3102640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 121, 128, 160, 176, 184, 220, 230, 242, 253, 320, 352, 368, 440, 460, 484, 506, 605, 640, 704, 736, 880, 920, 968, 1012, 1210, 1265, 1408, 1472, 1760, 1840, 1936, 2024, 2420, 2530, 2783, 2944, 3520, 3680, 3872, 4048, 4840, 5060, 5566, 7040, 7360, 7744, 8096, 9680, 10120, 11132, 13915, 14720, 15488, 16192, 19360, 20240, 22264, 27830, 32384, 38720, 40480, 44528, 55660, 77440, 80960, 89056, 111320, 161920, 178112, 222640, 356224, 445280, 890560, 1781120]

約数ペア:

[(1, 1781120), (2, 890560), (4, 445280), (5, 356224), (8, 222640), (10, 178112), (11, 161920), (16, 111320), (20, 89056), (22, 80960), (23, 77440), (32, 55660), (40, 44528), (44, 40480), (46, 38720), (55, 32384), (64, 27830), (80, 22264), (88, 20240), (92, 19360), (110, 16192), (115, 15488), (121, 14720), (128, 13915), (160, 11132), (176, 10120), (184, 9680), (220, 8096), (230, 7744), (242, 7360), (253, 7040), (320, 5566), (352, 5060), (368, 4840), (440, 4048), (460, 3872), (484, 3680), (506, 3520), (605, 2944), (640, 2783), (704, 2530), (736, 2420), (880, 2024), (920, 1936), (968, 1840), (1012, 1760), (1210, 1472), (1265, 1408)]