239857280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:386

約数の個数: 128

約数和(自身を含む): 625121280

約数和(自身を除く): 385264000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 160, 208, 227, 254, 260, 320, 416, 454, 508, 520, 635, 640, 832, 908, 1016, 1040, 1135, 1270, 1651, 1664, 1816, 2032, 2080, 2270, 2540, 2951, 3302, 3632, 4064, 4160, 4540, 5080, 5902, 6604, 7264, 8128, 8255, 8320, 9080, 10160, 11804, 13208, 14528, 14755, 16256, 16510, 18160, 20320, 23608, 26416, 28829, 29056, 29510, 33020, 36320, 40640, 47216, 52832, 57658, 59020, 66040, 72640, 81280, 94432, 105664, 115316, 118040, 132080, 144145, 145280, 188864, 211328, 230632, 236080, 264160, 288290, 374777, 377728, 461264, 472160, 528320, 576580, 749554, 922528, 944320, 1056640, 1153160, 1499108, 1845056, 1873885, 1888640, 2306320, 2998216, 3690112, 3747770, 4612640, 5996432, 7495540, 9225280, 11992864, 14991080, 18450560, 23985728, 29982160, 47971456, 59964320, 119928640, 239857280]

約数ペア:

[(1, 239857280), (2, 119928640), (4, 59964320), (5, 47971456), (8, 29982160), (10, 23985728), (13, 18450560), (16, 14991080), (20, 11992864), (26, 9225280), (32, 7495540), (40, 5996432), (52, 4612640), (64, 3747770), (65, 3690112), (80, 2998216), (104, 2306320), (127, 1888640), (128, 1873885), (130, 1845056), (160, 1499108), (208, 1153160), (227, 1056640), (254, 944320), (260, 922528), (320, 749554), (416, 576580), (454, 528320), (508, 472160), (520, 461264), (635, 377728), (640, 374777), (832, 288290), (908, 264160), (1016, 236080), (1040, 230632), (1135, 211328), (1270, 188864), (1651, 145280), (1664, 144145), (1816, 132080), (2032, 118040), (2080, 115316), (2270, 105664), (2540, 94432), (2951, 81280), (3302, 72640), (3632, 66040), (4064, 59020), (4160, 57658), (4540, 52832), (5080, 47216), (5902, 40640), (6604, 36320), (7264, 33020), (8128, 29510), (8255, 29056), (8320, 28829), (9080, 26416), (10160, 23608), (11804, 20320), (13208, 18160), (14528, 16510), (14755, 16256)]