12438400

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1$

素因数の和:73

約数の個数: 144

約数和(自身を含む): 34718760

約数和(自身を除く): 22280360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 32, 40, 46, 50, 52, 64, 65, 80, 92, 100, 104, 115, 128, 130, 160, 169, 184, 200, 208, 230, 260, 299, 320, 325, 338, 368, 400, 416, 460, 520, 575, 598, 640, 650, 676, 736, 800, 832, 845, 920, 1040, 1150, 1196, 1300, 1352, 1472, 1495, 1600, 1664, 1690, 1840, 2080, 2300, 2392, 2600, 2704, 2944, 2990, 3200, 3380, 3680, 3887, 4160, 4225, 4600, 4784, 5200, 5408, 5980, 6760, 7360, 7475, 7774, 8320, 8450, 9200, 9568, 10400, 10816, 11960, 13520, 14720, 14950, 15548, 16900, 18400, 19136, 19435, 20800, 21632, 23920, 27040, 29900, 31096, 33800, 36800, 38272, 38870, 41600, 47840, 54080, 59800, 62192, 67600, 73600, 77740, 95680, 97175, 108160, 119600, 124384, 135200, 155480, 191360, 194350, 239200, 248768, 270400, 310960, 388700, 478400, 497536, 540800, 621920, 777400, 956800, 1243840, 1554800, 2487680, 3109600, 6219200, 12438400]

約数ペア:

[(1, 12438400), (2, 6219200), (4, 3109600), (5, 2487680), (8, 1554800), (10, 1243840), (13, 956800), (16, 777400), (20, 621920), (23, 540800), (25, 497536), (26, 478400), (32, 388700), (40, 310960), (46, 270400), (50, 248768), (52, 239200), (64, 194350), (65, 191360), (80, 155480), (92, 135200), (100, 124384), (104, 119600), (115, 108160), (128, 97175), (130, 95680), (160, 77740), (169, 73600), (184, 67600), (200, 62192), (208, 59800), (230, 54080), (260, 47840), (299, 41600), (320, 38870), (325, 38272), (338, 36800), (368, 33800), (400, 31096), (416, 29900), (460, 27040), (520, 23920), (575, 21632), (598, 20800), (640, 19435), (650, 19136), (676, 18400), (736, 16900), (800, 15548), (832, 14950), (845, 14720), (920, 13520), (1040, 11960), (1150, 10816), (1196, 10400), (1300, 9568), (1352, 9200), (1472, 8450), (1495, 8320), (1600, 7774), (1664, 7475), (1690, 7360), (1840, 6760), (2080, 5980), (2300, 5408), (2392, 5200), (2600, 4784), (2704, 4600), (2944, 4225), (2990, 4160), (3200, 3887), (3380, 3680)]