80260180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:270

約数の個数: 192

約数和(自身を含む): 239339520

約数和(自身を除く): 159079340

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 19, 20, 22, 26, 28, 35, 38, 44, 52, 55, 65, 70, 76, 77, 91, 95, 110, 130, 133, 140, 143, 154, 182, 190, 209, 211, 220, 247, 260, 266, 286, 308, 364, 380, 385, 418, 422, 455, 494, 532, 572, 665, 715, 770, 836, 844, 910, 988, 1001, 1045, 1055, 1235, 1330, 1430, 1463, 1477, 1540, 1729, 1820, 2002, 2090, 2110, 2321, 2470, 2660, 2717, 2743, 2860, 2926, 2954, 3458, 4004, 4009, 4180, 4220, 4642, 4940, 5005, 5434, 5486, 5852, 5908, 6916, 7315, 7385, 8018, 8645, 9284, 10010, 10868, 10972, 11605, 13585, 13715, 14630, 14770, 16036, 16247, 17290, 19019, 19201, 20020, 20045, 23210, 27170, 27430, 28063, 29260, 29540, 30173, 32494, 34580, 38038, 38402, 40090, 44099, 46420, 52117, 54340, 54860, 56126, 60346, 64988, 76076, 76804, 80180, 81235, 88198, 95095, 96005, 104234, 112252, 120692, 140315, 150865, 162470, 176396, 190190, 192010, 208468, 211211, 220495, 260585, 280630, 301730, 308693, 324940, 364819, 380380, 384020, 422422, 440990, 521170, 561260, 573287, 603460, 617386, 729638, 844844, 881980, 1042340, 1056055, 1146574, 1234772, 1459276, 1543465, 1824095, 2112110, 2293148, 2866435, 3086930, 3648190, 4013009, 4224220, 5732870, 6173860, 7296380, 8026018, 11465740, 16052036, 20065045, 40130090, 80260180]

約数ペア:

[(1, 80260180), (2, 40130090), (4, 20065045), (5, 16052036), (7, 11465740), (10, 8026018), (11, 7296380), (13, 6173860), (14, 5732870), (19, 4224220), (20, 4013009), (22, 3648190), (26, 3086930), (28, 2866435), (35, 2293148), (38, 2112110), (44, 1824095), (52, 1543465), (55, 1459276), (65, 1234772), (70, 1146574), (76, 1056055), (77, 1042340), (91, 881980), (95, 844844), (110, 729638), (130, 617386), (133, 603460), (140, 573287), (143, 561260), (154, 521170), (182, 440990), (190, 422422), (209, 384020), (211, 380380), (220, 364819), (247, 324940), (260, 308693), (266, 301730), (286, 280630), (308, 260585), (364, 220495), (380, 211211), (385, 208468), (418, 192010), (422, 190190), (455, 176396), (494, 162470), (532, 150865), (572, 140315), (665, 120692), (715, 112252), (770, 104234), (836, 96005), (844, 95095), (910, 88198), (988, 81235), (1001, 80180), (1045, 76804), (1055, 76076), (1235, 64988), (1330, 60346), (1430, 56126), (1463, 54860), (1477, 54340), (1540, 52117), (1729, 46420), (1820, 44099), (2002, 40090), (2090, 38402), (2110, 38038), (2321, 34580), (2470, 32494), (2660, 30173), (2717, 29540), (2743, 29260), (2860, 28063), (2926, 27430), (2954, 27170), (3458, 23210), (4004, 20045), (4009, 20020), (4180, 19201), (4220, 19019), (4642, 17290), (4940, 16247), (5005, 16036), (5434, 14770), (5486, 14630), (5852, 13715), (5908, 13585), (6916, 11605), (7315, 10972), (7385, 10868), (8018, 10010), (8645, 9284)]