71557440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{569}}^1$

素因数の和:720

約数の個数: 112

約数和(自身を含む): 229331520

約数和(自身を除く): 157774080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 131, 160, 192, 240, 262, 320, 393, 480, 524, 569, 655, 786, 960, 1048, 1138, 1310, 1572, 1707, 1965, 2096, 2276, 2620, 2845, 3144, 3414, 3930, 4192, 4552, 5240, 5690, 6288, 6828, 7860, 8384, 8535, 9104, 10480, 11380, 12576, 13656, 15720, 17070, 18208, 20960, 22760, 25152, 27312, 31440, 34140, 36416, 41920, 45520, 54624, 62880, 68280, 74539, 91040, 109248, 125760, 136560, 149078, 182080, 223617, 273120, 298156, 372695, 447234, 546240, 596312, 745390, 894468, 1118085, 1192624, 1490780, 1788936, 2236170, 2385248, 2981560, 3577872, 4472340, 4770496, 5963120, 7155744, 8944680, 11926240, 14311488, 17889360, 23852480, 35778720, 71557440]

約数ペア:

[(1, 71557440), (2, 35778720), (3, 23852480), (4, 17889360), (5, 14311488), (6, 11926240), (8, 8944680), (10, 7155744), (12, 5963120), (15, 4770496), (16, 4472340), (20, 3577872), (24, 2981560), (30, 2385248), (32, 2236170), (40, 1788936), (48, 1490780), (60, 1192624), (64, 1118085), (80, 894468), (96, 745390), (120, 596312), (131, 546240), (160, 447234), (192, 372695), (240, 298156), (262, 273120), (320, 223617), (393, 182080), (480, 149078), (524, 136560), (569, 125760), (655, 109248), (786, 91040), (960, 74539), (1048, 68280), (1138, 62880), (1310, 54624), (1572, 45520), (1707, 41920), (1965, 36416), (2096, 34140), (2276, 31440), (2620, 27312), (2845, 25152), (3144, 22760), (3414, 20960), (3930, 18208), (4192, 17070), (4552, 15720), (5240, 13656), (5690, 12576), (6288, 11380), (6828, 10480), (7860, 9104), (8384, 8535)]