15406720

素因数分解:

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

素因数の和:226

約数の個数: 128

約数和(自身を含む): 44553600

約数和(自身を除く): 29146880

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, 266, 280, 304, 320, 362, 380, 448, 532, 560, 608, 640, 665, 724, 760, 896, 905, 1064, 1120, 1216, 1267, 1330, 1448, 1520, 1810, 2128, 2240, 2432, 2534, 2660, 2896, 3040, 3439, 3620, 4256, 4480, 5068, 5320, 5792, 6080, 6335, 6878, 7240, 8512, 10136, 10640, 11584, 12160, 12670, 13756, 14480, 17024, 17195, 20272, 21280, 23168, 24073, 25340, 27512, 28960, 34390, 40544, 42560, 48146, 50680, 55024, 57920, 68780, 81088, 85120, 96292, 101360, 110048, 115840, 120365, 137560, 162176, 192584, 202720, 220096, 240730, 275120, 385168, 405440, 440192, 481460, 550240, 770336, 810880, 962920, 1100480, 1540672, 1925840, 2200960, 3081344, 3851680, 7703360, 15406720]

約数ペア:

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