256468080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5113}}^1$

素因数の和:5159

約数の個数: 160

約数和(自身を含む): 913155840

約数和(自身を除く): 656687760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 110, 114, 120, 132, 152, 165, 176, 190, 209, 220, 228, 240, 264, 285, 304, 330, 380, 418, 440, 456, 528, 570, 627, 660, 760, 836, 880, 912, 1045, 1140, 1254, 1320, 1520, 1672, 2090, 2280, 2508, 2640, 3135, 3344, 4180, 4560, 5016, 5113, 6270, 8360, 10032, 10226, 12540, 15339, 16720, 20452, 25080, 25565, 30678, 40904, 50160, 51130, 56243, 61356, 76695, 81808, 97147, 102260, 112486, 122712, 153390, 168729, 194294, 204520, 224972, 245424, 281215, 291441, 306780, 337458, 388588, 409040, 449944, 485735, 562430, 582882, 613560, 674916, 777176, 843645, 899888, 971470, 1068617, 1124860, 1165764, 1227120, 1349832, 1457205, 1554352, 1687290, 1942940, 2137234, 2249720, 2331528, 2699664, 2914410, 3205851, 3374580, 3885880, 4274468, 4499440, 4663056, 5343085, 5828820, 6411702, 6749160, 7771760, 8548936, 10686170, 11657640, 12823404, 13498320, 16029255, 17097872, 21372340, 23315280, 25646808, 32058510, 42744680, 51293616, 64117020, 85489360, 128234040, 256468080]

約数ペア:

[(1, 256468080), (2, 128234040), (3, 85489360), (4, 64117020), (5, 51293616), (6, 42744680), (8, 32058510), (10, 25646808), (11, 23315280), (12, 21372340), (15, 17097872), (16, 16029255), (19, 13498320), (20, 12823404), (22, 11657640), (24, 10686170), (30, 8548936), (33, 7771760), (38, 6749160), (40, 6411702), (44, 5828820), (48, 5343085), (55, 4663056), (57, 4499440), (60, 4274468), (66, 3885880), (76, 3374580), (80, 3205851), (88, 2914410), (95, 2699664), (110, 2331528), (114, 2249720), (120, 2137234), (132, 1942940), (152, 1687290), (165, 1554352), (176, 1457205), (190, 1349832), (209, 1227120), (220, 1165764), (228, 1124860), (240, 1068617), (264, 971470), (285, 899888), (304, 843645), (330, 777176), (380, 674916), (418, 613560), (440, 582882), (456, 562430), (528, 485735), (570, 449944), (627, 409040), (660, 388588), (760, 337458), (836, 306780), (880, 291441), (912, 281215), (1045, 245424), (1140, 224972), (1254, 204520), (1320, 194294), (1520, 168729), (1672, 153390), (2090, 122712), (2280, 112486), (2508, 102260), (2640, 97147), (3135, 81808), (3344, 76695), (4180, 61356), (4560, 56243), (5016, 51130), (5113, 50160), (6270, 40904), (8360, 30678), (10032, 25565), (10226, 25080), (12540, 20452), (15339, 16720)]