12670720

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 32009040

約数和(自身を除く): 19338320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 521, 608, 640, 760, 1042, 1216, 1280, 1520, 2084, 2432, 2605, 3040, 4168, 4864, 5210, 6080, 8336, 9899, 10420, 12160, 16672, 19798, 20840, 24320, 33344, 39596, 41680, 49495, 66688, 79192, 83360, 98990, 133376, 158384, 166720, 197980, 316768, 333440, 395960, 633536, 666880, 791920, 1267072, 1583840, 2534144, 3167680, 6335360, 12670720]

約数ペア:

[(1, 12670720), (2, 6335360), (4, 3167680), (5, 2534144), (8, 1583840), (10, 1267072), (16, 791920), (19, 666880), (20, 633536), (32, 395960), (38, 333440), (40, 316768), (64, 197980), (76, 166720), (80, 158384), (95, 133376), (128, 98990), (152, 83360), (160, 79192), (190, 66688), (256, 49495), (304, 41680), (320, 39596), (380, 33344), (521, 24320), (608, 20840), (640, 19798), (760, 16672), (1042, 12160), (1216, 10420), (1280, 9899), (1520, 8336), (2084, 6080), (2432, 5210), (2605, 4864), (3040, 4168)]