30813440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 89281920

約数和(自身を除く): 58468480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 181, 190, 224, 256, 266, 280, 304, 320, 362, 380, 448, 532, 560, 608, 640, 665, 724, 760, 896, 905, 1064, 1120, 1216, 1267, 1280, 1330, 1448, 1520, 1792, 1810, 2128, 2240, 2432, 2534, 2660, 2896, 3040, 3439, 3620, 4256, 4480, 4864, 5068, 5320, 5792, 6080, 6335, 6878, 7240, 8512, 8960, 10136, 10640, 11584, 12160, 12670, 13756, 14480, 17024, 17195, 20272, 21280, 23168, 24073, 24320, 25340, 27512, 28960, 34048, 34390, 40544, 42560, 46336, 48146, 50680, 55024, 57920, 68780, 81088, 85120, 96292, 101360, 110048, 115840, 120365, 137560, 162176, 170240, 192584, 202720, 220096, 231680, 240730, 275120, 324352, 385168, 405440, 440192, 481460, 550240, 770336, 810880, 880384, 962920, 1100480, 1540672, 1621760, 1925840, 2200960, 3081344, 3851680, 4401920, 6162688, 7703360, 15406720, 30813440]

約数ペア:

[(1, 30813440), (2, 15406720), (4, 7703360), (5, 6162688), (7, 4401920), (8, 3851680), (10, 3081344), (14, 2200960), (16, 1925840), (19, 1621760), (20, 1540672), (28, 1100480), (32, 962920), (35, 880384), (38, 810880), (40, 770336), (56, 550240), (64, 481460), (70, 440192), (76, 405440), (80, 385168), (95, 324352), (112, 275120), (128, 240730), (133, 231680), (140, 220096), (152, 202720), (160, 192584), (181, 170240), (190, 162176), (224, 137560), (256, 120365), (266, 115840), (280, 110048), (304, 101360), (320, 96292), (362, 85120), (380, 81088), (448, 68780), (532, 57920), (560, 55024), (608, 50680), (640, 48146), (665, 46336), (724, 42560), (760, 40544), (896, 34390), (905, 34048), (1064, 28960), (1120, 27512), (1216, 25340), (1267, 24320), (1280, 24073), (1330, 23168), (1448, 21280), (1520, 20272), (1792, 17195), (1810, 17024), (2128, 14480), (2240, 13756), (2432, 12670), (2534, 12160), (2660, 11584), (2896, 10640), (3040, 10136), (3439, 8960), (3620, 8512), (4256, 7240), (4480, 6878), (4864, 6335), (5068, 6080), (5320, 5792)]