28428030

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{499}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 76320000

約数和(自身を除く): 47891970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 211, 270, 422, 499, 633, 998, 1055, 1266, 1497, 1899, 2110, 2495, 2994, 3165, 3798, 4491, 4990, 5697, 6330, 7485, 8982, 9495, 11394, 13473, 14970, 18990, 22455, 26946, 28485, 44910, 56970, 67365, 105289, 134730, 210578, 315867, 526445, 631734, 947601, 1052890, 1579335, 1895202, 2842803, 3158670, 4738005, 5685606, 9476010, 14214015, 28428030]

約数ペア:

[(1, 28428030), (2, 14214015), (3, 9476010), (5, 5685606), (6, 4738005), (9, 3158670), (10, 2842803), (15, 1895202), (18, 1579335), (27, 1052890), (30, 947601), (45, 631734), (54, 526445), (90, 315867), (135, 210578), (211, 134730), (270, 105289), (422, 67365), (499, 56970), (633, 44910), (998, 28485), (1055, 26946), (1266, 22455), (1497, 18990), (1899, 14970), (2110, 13473), (2495, 11394), (2994, 9495), (3165, 8982), (3798, 7485), (4491, 6330), (4990, 5697)]