256535130240

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{781357}}^1$

素因数の和:781404

約数の個数: 256

約数和(自身を含む): 956382192000

約数和(自身を除く): 699847061760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 513, 540, 570, 576, 608, 640, 684, 720, 760, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1216, 1368, 1440, 1520, 1710, 1728, 1824, 1920, 2052, 2160, 2280, 2432, 2565, 2736, 2880, 3040, 3420, 3456, 3648, 4104, 4320, 4560, 5130, 5472, 5760, 6080, 6840, 7296, 8208, 8640, 9120, 10260, 10944, 12160, 13680, 16416, 17280, 18240, 20520, 21888, 27360, 32832, 36480, 41040, 54720, 65664, 82080, 109440, 164160, 328320, 781357, 1562714, 2344071, 3125428, 3906785, 4688142, 6250856, 7032213, 7813570, 9376284, 11720355, 12501712, 14064426, 14845783, 15627140, 18752568, 21096639, 23440710, 25003424, 28128852, 29691566, 31254280, 35161065, 37505136, 42193278, 44537349, 46881420, 50006848, 56257704, 59383132, 62508560, 70322130, 74228915, 75010272, 84386556, 89074698, 93762840, 100013696, 105483195, 112515408, 118766264, 125017120, 133612047, 140644260, 148457830, 150020544, 168773112, 178149396, 187525680, 210966390, 222686745, 225030816, 237532528, 250034240, 267224094, 281288520, 296915660, 300041088, 337546224, 356298792, 375051360, 400836141, 421932780, 445373490, 450061632, 475065056, 500068480, 534448188, 562577040, 593831320, 668060235, 675092448, 712597584, 750102720, 801672282, 843865560, 890746980, 900123264, 950130112, 1068896376, 1125154080, 1187662640, 1336120470, 1350184896, 1425195168, 1500205440, 1603344564, 1687731120, 1781493960, 1900260224, 2004180705, 2137792752, 2250308160, 2375325280, 2672240940, 2700369792, 2850390336, 3206689128, 3375462240, 3562987920, 4008361410, 4275585504, 4500616320, 4750650560, 5344481880, 5700780672, 6413378256, 6750924480, 7125975840, 8016722820, 8551171008, 9501301120, 10688963760, 12826756512, 13501848960, 14251951680, 16033445640, 17102342016, 21377927520, 25653513024, 28503903360, 32066891280, 42755855040, 51307026048, 64133782560, 85511710080, 128267565120, 256535130240]

約数ペア:

[(1, 256535130240), (2, 128267565120), (3, 85511710080), (4, 64133782560), (5, 51307026048), (6, 42755855040), (8, 32066891280), (9, 28503903360), (10, 25653513024), (12, 21377927520), (15, 17102342016), (16, 16033445640), (18, 14251951680), (19, 13501848960), (20, 12826756512), (24, 10688963760), (27, 9501301120), (30, 8551171008), (32, 8016722820), (36, 7125975840), (38, 6750924480), (40, 6413378256), (45, 5700780672), (48, 5344481880), (54, 4750650560), (57, 4500616320), (60, 4275585504), (64, 4008361410), (72, 3562987920), (76, 3375462240), (80, 3206689128), (90, 2850390336), (95, 2700369792), (96, 2672240940), (108, 2375325280), (114, 2250308160), (120, 2137792752), (128, 2004180705), (135, 1900260224), (144, 1781493960), (152, 1687731120), (160, 1603344564), (171, 1500205440), (180, 1425195168), (190, 1350184896), (192, 1336120470), (216, 1187662640), (228, 1125154080), (240, 1068896376), (270, 950130112), (285, 900123264), (288, 890746980), (304, 843865560), (320, 801672282), (342, 750102720), (360, 712597584), (380, 675092448), (384, 668060235), (432, 593831320), (456, 562577040), (480, 534448188), (513, 500068480), (540, 475065056), (570, 450061632), (576, 445373490), (608, 421932780), (640, 400836141), (684, 375051360), (720, 356298792), (760, 337546224), (855, 300041088), (864, 296915660), (912, 281288520), (960, 267224094), (1026, 250034240), (1080, 237532528), (1140, 225030816), (1152, 222686745), (1216, 210966390), (1368, 187525680), (1440, 178149396), (1520, 168773112), (1710, 150020544), (1728, 148457830), (1824, 140644260), (1920, 133612047), (2052, 125017120), (2160, 118766264), (2280, 112515408), (2432, 105483195), (2565, 100013696), (2736, 93762840), (2880, 89074698), (3040, 84386556), (3420, 75010272), (3456, 74228915), (3648, 70322130), (4104, 62508560), (4320, 59383132), (4560, 56257704), (5130, 50006848), (5472, 46881420), (5760, 44537349), (6080, 42193278), (6840, 37505136), (7296, 35161065), (8208, 31254280), (8640, 29691566), (9120, 28128852), (10260, 25003424), (10944, 23440710), (12160, 21096639), (13680, 18752568), (16416, 15627140), (17280, 14845783), (18240, 14064426), (20520, 12501712), (21888, 11720355), (27360, 9376284), (32832, 7813570), (36480, 7032213), (41040, 6250856), (54720, 4688142), (65664, 3906785), (82080, 3125428), (109440, 2344071), (164160, 1562714), (328320, 781357)]