80502990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6863}}^1$

素因数の和:6913

約数の個数: 64

約数和(自身を含む): 213497856

約数和(自身を除く): 132994866

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 23, 30, 34, 46, 51, 69, 85, 102, 115, 138, 170, 230, 255, 345, 391, 510, 690, 782, 1173, 1955, 2346, 3910, 5865, 6863, 11730, 13726, 20589, 34315, 41178, 68630, 102945, 116671, 157849, 205890, 233342, 315698, 350013, 473547, 583355, 700026, 789245, 947094, 1166710, 1578490, 1750065, 2367735, 2683433, 3500130, 4735470, 5366866, 8050299, 13417165, 16100598, 26834330, 40251495, 80502990]

約数ペア:

[(1, 80502990), (2, 40251495), (3, 26834330), (5, 16100598), (6, 13417165), (10, 8050299), (15, 5366866), (17, 4735470), (23, 3500130), (30, 2683433), (34, 2367735), (46, 1750065), (51, 1578490), (69, 1166710), (85, 947094), (102, 789245), (115, 700026), (138, 583355), (170, 473547), (230, 350013), (255, 315698), (345, 233342), (391, 205890), (510, 157849), (690, 116671), (782, 102945), (1173, 68630), (1955, 41178), (2346, 34315), (3910, 20589), (5865, 13726), (6863, 11730)]