399022560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{277099}}^1$

素因数の和:277120

約数の個数: 72

約数和(自身を含む): 1361669400

約数和(自身を除く): 962646840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 277099, 554198, 831297, 1108396, 1385495, 1662594, 2216792, 2493891, 2770990, 3325188, 4156485, 4433584, 4987782, 5541980, 6650376, 8312970, 8867168, 9975564, 11083960, 12469455, 13300752, 16625940, 19951128, 22167920, 24938910, 26601504, 33251880, 39902256, 44335840, 49877820, 66503760, 79804512, 99755640, 133007520, 199511280, 399022560]

約数ペア:

[(1, 399022560), (2, 199511280), (3, 133007520), (4, 99755640), (5, 79804512), (6, 66503760), (8, 49877820), (9, 44335840), (10, 39902256), (12, 33251880), (15, 26601504), (16, 24938910), (18, 22167920), (20, 19951128), (24, 16625940), (30, 13300752), (32, 12469455), (36, 11083960), (40, 9975564), (45, 8867168), (48, 8312970), (60, 6650376), (72, 5541980), (80, 4987782), (90, 4433584), (96, 4156485), (120, 3325188), (144, 2770990), (160, 2493891), (180, 2216792), (240, 1662594), (288, 1385495), (360, 1108396), (480, 831297), (720, 554198), (1440, 277099)]