15834880

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 38631600

約数和(自身を除く): 22796720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 139, 160, 178, 256, 278, 320, 356, 445, 556, 640, 695, 712, 890, 1112, 1280, 1390, 1424, 1780, 2224, 2780, 2848, 3560, 4448, 5560, 5696, 7120, 8896, 11120, 11392, 12371, 14240, 17792, 22240, 22784, 24742, 28480, 35584, 44480, 49484, 56960, 61855, 88960, 98968, 113920, 123710, 177920, 197936, 247420, 395872, 494840, 791744, 989680, 1583488, 1979360, 3166976, 3958720, 7917440, 15834880]

約数ペア:

[(1, 15834880), (2, 7917440), (4, 3958720), (5, 3166976), (8, 1979360), (10, 1583488), (16, 989680), (20, 791744), (32, 494840), (40, 395872), (64, 247420), (80, 197936), (89, 177920), (128, 123710), (139, 113920), (160, 98968), (178, 88960), (256, 61855), (278, 56960), (320, 49484), (356, 44480), (445, 35584), (556, 28480), (640, 24742), (695, 22784), (712, 22240), (890, 17792), (1112, 14240), (1280, 12371), (1390, 11392), (1424, 11120), (1780, 8896), (2224, 7120), (2780, 5696), (2848, 5560), (3560, 4448)]