80647490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 128

約数和(自身を含む): 196701696

約数和(自身を除く): 116054206

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 55, 61, 70, 77, 85, 101, 110, 119, 122, 154, 170, 187, 202, 238, 305, 374, 385, 427, 505, 595, 610, 671, 707, 770, 854, 935, 1010, 1037, 1111, 1190, 1309, 1342, 1414, 1717, 1870, 2074, 2135, 2222, 2618, 3355, 3434, 3535, 4270, 4697, 5185, 5555, 6161, 6545, 6710, 7070, 7259, 7777, 8585, 9394, 10370, 11110, 11407, 12019, 12322, 13090, 14518, 15554, 17170, 18887, 22814, 23485, 24038, 30805, 36295, 37774, 38885, 43127, 46970, 57035, 60095, 61610, 67771, 72590, 77770, 79849, 86254, 94435, 104737, 114070, 120190, 132209, 135542, 159698, 188870, 209474, 215635, 264418, 338855, 399245, 431270, 474397, 523685, 661045, 677710, 733159, 798490, 948794, 1047370, 1152107, 1322090, 1466318, 2304214, 2371985, 3665795, 4743970, 5760535, 7331590, 8064749, 11521070, 16129498, 40323745, 80647490]

約数ペア:

[(1, 80647490), (2, 40323745), (5, 16129498), (7, 11521070), (10, 8064749), (11, 7331590), (14, 5760535), (17, 4743970), (22, 3665795), (34, 2371985), (35, 2304214), (55, 1466318), (61, 1322090), (70, 1152107), (77, 1047370), (85, 948794), (101, 798490), (110, 733159), (119, 677710), (122, 661045), (154, 523685), (170, 474397), (187, 431270), (202, 399245), (238, 338855), (305, 264418), (374, 215635), (385, 209474), (427, 188870), (505, 159698), (595, 135542), (610, 132209), (671, 120190), (707, 114070), (770, 104737), (854, 94435), (935, 86254), (1010, 79849), (1037, 77770), (1111, 72590), (1190, 67771), (1309, 61610), (1342, 60095), (1414, 57035), (1717, 46970), (1870, 43127), (2074, 38885), (2135, 37774), (2222, 36295), (2618, 30805), (3355, 24038), (3434, 23485), (3535, 22814), (4270, 18887), (4697, 17170), (5185, 15554), (5555, 14518), (6161, 13090), (6545, 12322), (6710, 12019), (7070, 11407), (7259, 11110), (7777, 10370), (8585, 9394)]