15264640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 128

約数和(自身を含む): 40979520

約数和(自身を除く): 25714880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 61, 64, 68, 80, 85, 92, 115, 122, 128, 136, 160, 170, 184, 230, 244, 272, 305, 320, 340, 368, 391, 460, 488, 544, 610, 640, 680, 736, 782, 920, 976, 1037, 1088, 1220, 1360, 1403, 1472, 1564, 1840, 1952, 1955, 2074, 2176, 2440, 2720, 2806, 2944, 3128, 3680, 3904, 3910, 4148, 4880, 5185, 5440, 5612, 6256, 7015, 7360, 7808, 7820, 8296, 9760, 10370, 10880, 11224, 12512, 14030, 14720, 15640, 16592, 19520, 20740, 22448, 23851, 25024, 28060, 31280, 33184, 39040, 41480, 44896, 47702, 50048, 56120, 62560, 66368, 82960, 89792, 95404, 112240, 119255, 125120, 132736, 165920, 179584, 190808, 224480, 238510, 250240, 331840, 381616, 448960, 477020, 663680, 763232, 897920, 954040, 1526464, 1908080, 3052928, 3816160, 7632320, 15264640]

約数ペア:

[(1, 15264640), (2, 7632320), (4, 3816160), (5, 3052928), (8, 1908080), (10, 1526464), (16, 954040), (17, 897920), (20, 763232), (23, 663680), (32, 477020), (34, 448960), (40, 381616), (46, 331840), (61, 250240), (64, 238510), (68, 224480), (80, 190808), (85, 179584), (92, 165920), (115, 132736), (122, 125120), (128, 119255), (136, 112240), (160, 95404), (170, 89792), (184, 82960), (230, 66368), (244, 62560), (272, 56120), (305, 50048), (320, 47702), (340, 44896), (368, 41480), (391, 39040), (460, 33184), (488, 31280), (544, 28060), (610, 25024), (640, 23851), (680, 22448), (736, 20740), (782, 19520), (920, 16592), (976, 15640), (1037, 14720), (1088, 14030), (1220, 12512), (1360, 11224), (1403, 10880), (1472, 10370), (1564, 9760), (1840, 8296), (1952, 7820), (1955, 7808), (2074, 7360), (2176, 7015), (2440, 6256), (2720, 5612), (2806, 5440), (2944, 5185), (3128, 4880), (3680, 4148), (3904, 3910)]