71325280720

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{63281}}^1$

素因数の和:63560

約数の個数: 80

約数和(自身を含む): 168976608912

約数和(自身を除く): 97651328192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 193, 292, 365, 386, 584, 730, 772, 965, 1168, 1460, 1544, 1930, 2920, 3088, 3860, 5840, 7720, 14089, 15440, 28178, 56356, 63281, 70445, 112712, 126562, 140890, 225424, 253124, 281780, 316405, 506248, 563560, 632810, 1012496, 1127120, 1265620, 2531240, 4619513, 5062480, 9239026, 12213233, 18478052, 23097565, 24426466, 36956104, 46195130, 48852932, 61066165, 73912208, 92390260, 97705864, 122132330, 184780520, 195411728, 244264660, 369561040, 488529320, 891566009, 977058640, 1783132018, 3566264036, 4457830045, 7132528072, 8915660090, 14265056144, 17831320180, 35662640360, 71325280720]

約数ペア:

[(1, 71325280720), (2, 35662640360), (4, 17831320180), (5, 14265056144), (8, 8915660090), (10, 7132528072), (16, 4457830045), (20, 3566264036), (40, 1783132018), (73, 977058640), (80, 891566009), (146, 488529320), (193, 369561040), (292, 244264660), (365, 195411728), (386, 184780520), (584, 122132330), (730, 97705864), (772, 92390260), (965, 73912208), (1168, 61066165), (1460, 48852932), (1544, 46195130), (1930, 36956104), (2920, 24426466), (3088, 23097565), (3860, 18478052), (5840, 12213233), (7720, 9239026), (14089, 5062480), (15440, 4619513), (28178, 2531240), (56356, 1265620), (63281, 1127120), (70445, 1012496), (112712, 632810), (126562, 563560), (140890, 506248), (225424, 316405), (253124, 281780)]