8009151920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{661}}^1$

素因数の和:980

約数の個数: 240

約数和(自身を含む): 23750685216

約数和(自身を除く): 15741533296

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 281, 308, 385, 392, 440, 490, 539, 560, 562, 616, 661, 770, 784, 880, 980, 1078, 1124, 1232, 1322, 1405, 1540, 1960, 1967, 2156, 2248, 2644, 2695, 2810, 3080, 3091, 3305, 3920, 3934, 4312, 4496, 4627, 5288, 5390, 5620, 6160, 6182, 6610, 7271, 7868, 8624, 9254, 9835, 10576, 10780, 11240, 12364, 13220, 13769, 14542, 15455, 15736, 18508, 19670, 21560, 21637, 22480, 23135, 24728, 26440, 27538, 29084, 30910, 31472, 32389, 36355, 37016, 39340, 43120, 43274, 46270, 49456, 50897, 52880, 55076, 58168, 61820, 64778, 68845, 72710, 74032, 78680, 86548, 92540, 101794, 108185, 110152, 116336, 123640, 129556, 137690, 145420, 151459, 157360, 161945, 173096, 185080, 185741, 203588, 216370, 220304, 247280, 254485, 259112, 275380, 290840, 302918, 323890, 346192, 356279, 370160, 371482, 407176, 432740, 508970, 518224, 550760, 581680, 605836, 647780, 712558, 742964, 757295, 814352, 865480, 928705, 1017940, 1101520, 1211672, 1295560, 1300187, 1425116, 1485928, 1514590, 1730960, 1781395, 1857410, 2035880, 2043151, 2423344, 2591120, 2600374, 2850232, 2971856, 3029180, 3562790, 3714820, 4071760, 4086302, 5200748, 5700464, 6058360, 6500935, 7125580, 7429640, 8172604, 9101309, 10215755, 10401496, 12116720, 13001870, 14251160, 14302057, 14859280, 16345208, 18202618, 20431510, 20802992, 26003740, 28502320, 28604114, 32690416, 36405236, 40863020, 45506545, 52007480, 57208228, 71510285, 72810472, 81726040, 91013090, 100114399, 104014960, 114416456, 143020570, 145620944, 163452080, 182026180, 200228798, 228832912, 286041140, 364052360, 400457596, 500571995, 572082280, 728104720, 800915192, 1001143990, 1144164560, 1601830384, 2002287980, 4004575960, 8009151920]

約数ペア:

[(1, 8009151920), (2, 4004575960), (4, 2002287980), (5, 1601830384), (7, 1144164560), (8, 1001143990), (10, 800915192), (11, 728104720), (14, 572082280), (16, 500571995), (20, 400457596), (22, 364052360), (28, 286041140), (35, 228832912), (40, 200228798), (44, 182026180), (49, 163452080), (55, 145620944), (56, 143020570), (70, 114416456), (77, 104014960), (80, 100114399), (88, 91013090), (98, 81726040), (110, 72810472), (112, 71510285), (140, 57208228), (154, 52007480), (176, 45506545), (196, 40863020), (220, 36405236), (245, 32690416), (280, 28604114), (281, 28502320), (308, 26003740), (385, 20802992), (392, 20431510), (440, 18202618), (490, 16345208), (539, 14859280), (560, 14302057), (562, 14251160), (616, 13001870), (661, 12116720), (770, 10401496), (784, 10215755), (880, 9101309), (980, 8172604), (1078, 7429640), (1124, 7125580), (1232, 6500935), (1322, 6058360), (1405, 5700464), (1540, 5200748), (1960, 4086302), (1967, 4071760), (2156, 3714820), (2248, 3562790), (2644, 3029180), (2695, 2971856), (2810, 2850232), (3080, 2600374), (3091, 2591120), (3305, 2423344), (3920, 2043151), (3934, 2035880), (4312, 1857410), (4496, 1781395), (4627, 1730960), (5288, 1514590), (5390, 1485928), (5620, 1425116), (6160, 1300187), (6182, 1295560), (6610, 1211672), (7271, 1101520), (7868, 1017940), (8624, 928705), (9254, 865480), (9835, 814352), (10576, 757295), (10780, 742964), (11240, 712558), (12364, 647780), (13220, 605836), (13769, 581680), (14542, 550760), (15455, 518224), (15736, 508970), (18508, 432740), (19670, 407176), (21560, 371482), (21637, 370160), (22480, 356279), (23135, 346192), (24728, 323890), (26440, 302918), (27538, 290840), (29084, 275380), (30910, 259112), (31472, 254485), (32389, 247280), (36355, 220304), (37016, 216370), (39340, 203588), (43120, 185741), (43274, 185080), (46270, 173096), (49456, 161945), (50897, 157360), (52880, 151459), (55076, 145420), (58168, 137690), (61820, 129556), (64778, 123640), (68845, 116336), (72710, 110152), (74032, 108185), (78680, 101794), (86548, 92540)]