156940263640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{255653}}^1$

素因数の和:255916

約数の個数: 64

約数和(自身を含む): 358938216000

約数和(自身を除く): 201997952360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 149, 206, 298, 412, 515, 596, 745, 824, 1030, 1192, 1490, 2060, 2980, 4120, 5960, 15347, 30694, 61388, 76735, 122776, 153470, 255653, 306940, 511306, 613880, 1022612, 1278265, 2045224, 2556530, 5113060, 10226120, 26332259, 38092297, 52664518, 76184594, 105329036, 131661295, 152369188, 190461485, 210658072, 263322590, 304738376, 380922970, 526645180, 761845940, 1053290360, 1523691880, 3923506591, 7847013182, 15694026364, 19617532955, 31388052728, 39235065910, 78470131820, 156940263640]

約数ペア:

[(1, 156940263640), (2, 78470131820), (4, 39235065910), (5, 31388052728), (8, 19617532955), (10, 15694026364), (20, 7847013182), (40, 3923506591), (103, 1523691880), (149, 1053290360), (206, 761845940), (298, 526645180), (412, 380922970), (515, 304738376), (596, 263322590), (745, 210658072), (824, 190461485), (1030, 152369188), (1192, 131661295), (1490, 105329036), (2060, 76184594), (2980, 52664518), (4120, 38092297), (5960, 26332259), (15347, 10226120), (30694, 5113060), (61388, 2556530), (76735, 2045224), (122776, 1278265), (153470, 1022612), (255653, 613880), (306940, 511306)]