261326880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1049}}^1$

素因数の和:1243

約数の個数: 144

約数和(自身を含む): 897787800

約数和(自身を除く): 636460920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 173, 180, 240, 288, 346, 360, 480, 519, 692, 720, 865, 1038, 1049, 1384, 1440, 1557, 1730, 2076, 2098, 2595, 2768, 3114, 3147, 3460, 4152, 4196, 5190, 5245, 5536, 6228, 6294, 6920, 7785, 8304, 8392, 9441, 10380, 10490, 12456, 12588, 13840, 15570, 15735, 16608, 16784, 18882, 20760, 20980, 24912, 25176, 27680, 31140, 31470, 33568, 37764, 41520, 41960, 47205, 49824, 50352, 62280, 62940, 75528, 83040, 83920, 94410, 100704, 124560, 125880, 151056, 167840, 181477, 188820, 249120, 251760, 302112, 362954, 377640, 503520, 544431, 725908, 755280, 907385, 1088862, 1451816, 1510560, 1633293, 1814770, 2177724, 2722155, 2903632, 3266586, 3629540, 4355448, 5444310, 5807264, 6533172, 7259080, 8166465, 8710896, 10888620, 13066344, 14518160, 16332930, 17421792, 21777240, 26132688, 29036320, 32665860, 43554480, 52265376, 65331720, 87108960, 130663440, 261326880]

約数ペア:

[(1, 261326880), (2, 130663440), (3, 87108960), (4, 65331720), (5, 52265376), (6, 43554480), (8, 32665860), (9, 29036320), (10, 26132688), (12, 21777240), (15, 17421792), (16, 16332930), (18, 14518160), (20, 13066344), (24, 10888620), (30, 8710896), (32, 8166465), (36, 7259080), (40, 6533172), (45, 5807264), (48, 5444310), (60, 4355448), (72, 3629540), (80, 3266586), (90, 2903632), (96, 2722155), (120, 2177724), (144, 1814770), (160, 1633293), (173, 1510560), (180, 1451816), (240, 1088862), (288, 907385), (346, 755280), (360, 725908), (480, 544431), (519, 503520), (692, 377640), (720, 362954), (865, 302112), (1038, 251760), (1049, 249120), (1384, 188820), (1440, 181477), (1557, 167840), (1730, 151056), (2076, 125880), (2098, 124560), (2595, 100704), (2768, 94410), (3114, 83920), (3147, 83040), (3460, 75528), (4152, 62940), (4196, 62280), (5190, 50352), (5245, 49824), (5536, 47205), (6228, 41960), (6294, 41520), (6920, 37764), (7785, 33568), (8304, 31470), (8392, 31140), (9441, 27680), (10380, 25176), (10490, 24912), (12456, 20980), (12588, 20760), (13840, 18882), (15570, 16784), (15735, 16608)]