17870720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{3989}}^1$

素因数の和:4015

約数の個数: 64

約数和(自身を含む): 48837600

約数和(自身を除く): 30966880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 3989, 4480, 7978, 15956, 19945, 27923, 31912, 39890, 55846, 63824, 79780, 111692, 127648, 139615, 159560, 223384, 255296, 279230, 319120, 446768, 510592, 558460, 638240, 893536, 1116920, 1276480, 1787072, 2233840, 2552960, 3574144, 4467680, 8935360, 17870720]

約数ペア:

[(1, 17870720), (2, 8935360), (4, 4467680), (5, 3574144), (7, 2552960), (8, 2233840), (10, 1787072), (14, 1276480), (16, 1116920), (20, 893536), (28, 638240), (32, 558460), (35, 510592), (40, 446768), (56, 319120), (64, 279230), (70, 255296), (80, 223384), (112, 159560), (128, 139615), (140, 127648), (160, 111692), (224, 79780), (280, 63824), (320, 55846), (448, 39890), (560, 31912), (640, 27923), (896, 19945), (1120, 15956), (2240, 7978), (3989, 4480)]