256727772

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:393

約数の個数: 192

約数和(自身を含む): 816614400

約数和(自身を除く): 559886628

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 61, 63, 76, 84, 108, 114, 122, 126, 133, 171, 183, 189, 228, 244, 252, 266, 293, 342, 366, 378, 399, 427, 513, 532, 549, 586, 684, 732, 756, 798, 854, 879, 1026, 1098, 1159, 1172, 1197, 1281, 1596, 1647, 1708, 1758, 2051, 2052, 2196, 2318, 2394, 2562, 2637, 3294, 3477, 3516, 3591, 3843, 4102, 4636, 4788, 5124, 5274, 5567, 6153, 6588, 6954, 7182, 7686, 7911, 8113, 8204, 10431, 10548, 11134, 11529, 12306, 13908, 14364, 15372, 15822, 16226, 16701, 17873, 18459, 20862, 22268, 23058, 24339, 24612, 31293, 31644, 32452, 33402, 35746, 36918, 38969, 41724, 46116, 48678, 50103, 53619, 55377, 62586, 66804, 71492, 73017, 73836, 77938, 97356, 100206, 107238, 110754, 116907, 125111, 125172, 146034, 150309, 155876, 160857, 200412, 214476, 219051, 221508, 233814, 250222, 292068, 300618, 321714, 339587, 350721, 375333, 438102, 467628, 482571, 500444, 601236, 643428, 679174, 701442, 750666, 876204, 965142, 1018761, 1052163, 1125999, 1358348, 1402884, 1501332, 1930284, 2037522, 2104326, 2251998, 2377109, 3056283, 3377997, 4075044, 4208652, 4503996, 4754218, 6112566, 6755994, 7131327, 9168849, 9508436, 12225132, 13511988, 14262654, 18337698, 21393981, 28525308, 36675396, 42787962, 64181943, 85575924, 128363886, 256727772]

約数ペア:

[(1, 256727772), (2, 128363886), (3, 85575924), (4, 64181943), (6, 42787962), (7, 36675396), (9, 28525308), (12, 21393981), (14, 18337698), (18, 14262654), (19, 13511988), (21, 12225132), (27, 9508436), (28, 9168849), (36, 7131327), (38, 6755994), (42, 6112566), (54, 4754218), (57, 4503996), (61, 4208652), (63, 4075044), (76, 3377997), (84, 3056283), (108, 2377109), (114, 2251998), (122, 2104326), (126, 2037522), (133, 1930284), (171, 1501332), (183, 1402884), (189, 1358348), (228, 1125999), (244, 1052163), (252, 1018761), (266, 965142), (293, 876204), (342, 750666), (366, 701442), (378, 679174), (399, 643428), (427, 601236), (513, 500444), (532, 482571), (549, 467628), (586, 438102), (684, 375333), (732, 350721), (756, 339587), (798, 321714), (854, 300618), (879, 292068), (1026, 250222), (1098, 233814), (1159, 221508), (1172, 219051), (1197, 214476), (1281, 200412), (1596, 160857), (1647, 155876), (1708, 150309), (1758, 146034), (2051, 125172), (2052, 125111), (2196, 116907), (2318, 110754), (2394, 107238), (2562, 100206), (2637, 97356), (3294, 77938), (3477, 73836), (3516, 73017), (3591, 71492), (3843, 66804), (4102, 62586), (4636, 55377), (4788, 53619), (5124, 50103), (5274, 48678), (5567, 46116), (6153, 41724), (6588, 38969), (6954, 36918), (7182, 35746), (7686, 33402), (7911, 32452), (8113, 31644), (8204, 31293), (10431, 24612), (10548, 24339), (11134, 23058), (11529, 22268), (12306, 20862), (13908, 18459), (14364, 17873), (15372, 16701), (15822, 16226)]