72021280

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19571}}^1$

素因数の和:19609

約数の個数: 48

約数和(自身を含む): 177557184

約数和(自身を除く): 105535904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 19571, 39142, 78284, 97855, 156568, 195710, 313136, 391420, 450133, 626272, 782840, 900266, 1565680, 1800532, 2250665, 3131360, 3601064, 4501330, 7202128, 9002660, 14404256, 18005320, 36010640, 72021280]

約数ペア:

[(1, 72021280), (2, 36010640), (4, 18005320), (5, 14404256), (8, 9002660), (10, 7202128), (16, 4501330), (20, 3601064), (23, 3131360), (32, 2250665), (40, 1800532), (46, 1565680), (80, 900266), (92, 782840), (115, 626272), (160, 450133), (184, 391420), (230, 313136), (368, 195710), (460, 156568), (736, 97855), (920, 78284), (1840, 39142), (3680, 19571)]