2018963920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{15031}}^1$

素因数の和:15140

約数の個数: 80

約数和(自身を含む): 4965610752

約数和(自身を除く): 2946646832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 73, 80, 92, 115, 146, 184, 230, 292, 365, 368, 460, 584, 730, 920, 1168, 1460, 1679, 1840, 2920, 3358, 5840, 6716, 8395, 13432, 15031, 16790, 26864, 30062, 33580, 60124, 67160, 75155, 120248, 134320, 150310, 240496, 300620, 345713, 601240, 691426, 1097263, 1202480, 1382852, 1728565, 2194526, 2765704, 3457130, 4389052, 5486315, 5531408, 6914260, 8778104, 10972630, 13828520, 17556208, 21945260, 25237049, 27657040, 43890520, 50474098, 87781040, 100948196, 126185245, 201896392, 252370490, 403792784, 504740980, 1009481960, 2018963920]

約数ペア:

[(1, 2018963920), (2, 1009481960), (4, 504740980), (5, 403792784), (8, 252370490), (10, 201896392), (16, 126185245), (20, 100948196), (23, 87781040), (40, 50474098), (46, 43890520), (73, 27657040), (80, 25237049), (92, 21945260), (115, 17556208), (146, 13828520), (184, 10972630), (230, 8778104), (292, 6914260), (365, 5531408), (368, 5486315), (460, 4389052), (584, 3457130), (730, 2765704), (920, 2194526), (1168, 1728565), (1460, 1382852), (1679, 1202480), (1840, 1097263), (2920, 691426), (3358, 601240), (5840, 345713), (6716, 300620), (8395, 240496), (13432, 150310), (15031, 134320), (16790, 120248), (26864, 75155), (30062, 67160), (33580, 60124)]