15187840

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1249}}^1$

素因数の和:1287

約数の個数: 64

約数和(自身を含む): 38250000

約数和(自身を除く): 23062160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1249, 1520, 2432, 2498, 3040, 4996, 6080, 6245, 9992, 12160, 12490, 19984, 23731, 24980, 39968, 47462, 49960, 79936, 94924, 99920, 118655, 159872, 189848, 199840, 237310, 379696, 399680, 474620, 759392, 799360, 949240, 1518784, 1898480, 3037568, 3796960, 7593920, 15187840]

約数ペア:

[(1, 15187840), (2, 7593920), (4, 3796960), (5, 3037568), (8, 1898480), (10, 1518784), (16, 949240), (19, 799360), (20, 759392), (32, 474620), (38, 399680), (40, 379696), (64, 237310), (76, 199840), (80, 189848), (95, 159872), (128, 118655), (152, 99920), (160, 94924), (190, 79936), (304, 49960), (320, 47462), (380, 39968), (608, 24980), (640, 23731), (760, 19984), (1216, 12490), (1249, 12160), (1520, 9992), (2432, 6245), (2498, 6080), (3040, 4996)]