79821280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 288

約数和(自身を含む): 257402880

約数和(自身を除く): 177581600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 31, 32, 35, 38, 40, 44, 55, 56, 62, 70, 76, 77, 80, 88, 95, 110, 112, 121, 124, 133, 140, 152, 154, 155, 160, 176, 190, 209, 217, 220, 224, 242, 248, 266, 280, 304, 308, 310, 341, 352, 380, 385, 418, 434, 440, 484, 496, 532, 560, 589, 605, 608, 616, 620, 665, 682, 760, 770, 836, 847, 868, 880, 968, 992, 1045, 1064, 1085, 1120, 1178, 1210, 1232, 1240, 1330, 1364, 1463, 1520, 1540, 1672, 1694, 1705, 1736, 1760, 1936, 2090, 2128, 2170, 2299, 2356, 2387, 2420, 2464, 2480, 2660, 2728, 2926, 2945, 3040, 3080, 3344, 3388, 3410, 3472, 3751, 3872, 4123, 4180, 4235, 4256, 4340, 4598, 4712, 4774, 4840, 4960, 5320, 5456, 5852, 5890, 6160, 6479, 6688, 6776, 6820, 6944, 7315, 7502, 8246, 8360, 8470, 8680, 9196, 9424, 9548, 9680, 10640, 10912, 11495, 11704, 11780, 11935, 12320, 12958, 13552, 13640, 14630, 15004, 16093, 16492, 16720, 16940, 17360, 18392, 18755, 18848, 19096, 19360, 20615, 21280, 22990, 23408, 23560, 23870, 25916, 26257, 27104, 27280, 29260, 30008, 32186, 32395, 32984, 33440, 33880, 34720, 36784, 37510, 38192, 41230, 45353, 45980, 46816, 47120, 47740, 51832, 52514, 54560, 58520, 60016, 64372, 64790, 65968, 67760, 71269, 73568, 75020, 76384, 80465, 82460, 90706, 91960, 94240, 95480, 103664, 105028, 117040, 120032, 128744, 129580, 131285, 131936, 135520, 142538, 150040, 160930, 164920, 181412, 183920, 190960, 207328, 210056, 226765, 234080, 257488, 259160, 262570, 285076, 300080, 321860, 329840, 356345, 362824, 367840, 381920, 420112, 453530, 498883, 514976, 518320, 525140, 570152, 600160, 643720, 659680, 712690, 725648, 840224, 907060, 997766, 1036640, 1050280, 1140304, 1287440, 1425380, 1451296, 1814120, 1995532, 2100560, 2280608, 2494415, 2574880, 2850760, 3628240, 3991064, 4201120, 4988830, 5701520, 7256480, 7982128, 9977660, 11403040, 15964256, 19955320, 39910640, 79821280]

約数ペア:

[(1, 79821280), (2, 39910640), (4, 19955320), (5, 15964256), (7, 11403040), (8, 9977660), (10, 7982128), (11, 7256480), (14, 5701520), (16, 4988830), (19, 4201120), (20, 3991064), (22, 3628240), (28, 2850760), (31, 2574880), (32, 2494415), (35, 2280608), (38, 2100560), (40, 1995532), (44, 1814120), (55, 1451296), (56, 1425380), (62, 1287440), (70, 1140304), (76, 1050280), (77, 1036640), (80, 997766), (88, 907060), (95, 840224), (110, 725648), (112, 712690), (121, 659680), (124, 643720), (133, 600160), (140, 570152), (152, 525140), (154, 518320), (155, 514976), (160, 498883), (176, 453530), (190, 420112), (209, 381920), (217, 367840), (220, 362824), (224, 356345), (242, 329840), (248, 321860), (266, 300080), (280, 285076), (304, 262570), (308, 259160), (310, 257488), (341, 234080), (352, 226765), (380, 210056), (385, 207328), (418, 190960), (434, 183920), (440, 181412), (484, 164920), (496, 160930), (532, 150040), (560, 142538), (589, 135520), (605, 131936), (608, 131285), (616, 129580), (620, 128744), (665, 120032), (682, 117040), (760, 105028), (770, 103664), (836, 95480), (847, 94240), (868, 91960), (880, 90706), (968, 82460), (992, 80465), (1045, 76384), (1064, 75020), (1085, 73568), (1120, 71269), (1178, 67760), (1210, 65968), (1232, 64790), (1240, 64372), (1330, 60016), (1364, 58520), (1463, 54560), (1520, 52514), (1540, 51832), (1672, 47740), (1694, 47120), (1705, 46816), (1736, 45980), (1760, 45353), (1936, 41230), (2090, 38192), (2128, 37510), (2170, 36784), (2299, 34720), (2356, 33880), (2387, 33440), (2420, 32984), (2464, 32395), (2480, 32186), (2660, 30008), (2728, 29260), (2926, 27280), (2945, 27104), (3040, 26257), (3080, 25916), (3344, 23870), (3388, 23560), (3410, 23408), (3472, 22990), (3751, 21280), (3872, 20615), (4123, 19360), (4180, 19096), (4235, 18848), (4256, 18755), (4340, 18392), (4598, 17360), (4712, 16940), (4774, 16720), (4840, 16492), (4960, 16093), (5320, 15004), (5456, 14630), (5852, 13640), (5890, 13552), (6160, 12958), (6479, 12320), (6688, 11935), (6776, 11780), (6820, 11704), (6944, 11495), (7315, 10912), (7502, 10640), (8246, 9680), (8360, 9548), (8470, 9424), (8680, 9196)]