90111720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4783}}^1$

素因数の和:4954

約数の個数: 64

約数和(自身を含む): 272113920

約数和(自身を除く): 182002200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 4710, 4783, 6280, 9420, 9566, 14349, 18840, 19132, 23915, 28698, 38264, 47830, 57396, 71745, 95660, 114792, 143490, 191320, 286980, 573960, 750931, 1501862, 2252793, 3003724, 3754655, 4505586, 6007448, 7509310, 9011172, 11263965, 15018620, 18022344, 22527930, 30037240, 45055860, 90111720]

約数ペア:

[(1, 90111720), (2, 45055860), (3, 30037240), (4, 22527930), (5, 18022344), (6, 15018620), (8, 11263965), (10, 9011172), (12, 7509310), (15, 6007448), (20, 4505586), (24, 3754655), (30, 3003724), (40, 2252793), (60, 1501862), (120, 750931), (157, 573960), (314, 286980), (471, 191320), (628, 143490), (785, 114792), (942, 95660), (1256, 71745), (1570, 57396), (1884, 47830), (2355, 38264), (3140, 28698), (3768, 23915), (4710, 19132), (4783, 18840), (6280, 14349), (9420, 9566)]