28168140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:117

約数の個数: 288

約数和(自身を含む): 109396224

約数和(自身を除く): 81228084

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 39, 42, 44, 49, 52, 55, 60, 65, 66, 67, 70, 77, 78, 84, 91, 98, 105, 110, 130, 132, 134, 140, 143, 147, 154, 156, 165, 182, 195, 196, 201, 210, 220, 231, 245, 260, 268, 273, 286, 294, 308, 330, 335, 364, 385, 390, 402, 420, 429, 455, 462, 469, 490, 539, 546, 572, 588, 637, 660, 670, 715, 735, 737, 770, 780, 804, 858, 871, 910, 924, 938, 980, 1001, 1005, 1078, 1092, 1155, 1274, 1340, 1365, 1407, 1430, 1470, 1474, 1540, 1617, 1716, 1742, 1820, 1876, 1911, 2002, 2010, 2145, 2156, 2211, 2310, 2345, 2548, 2613, 2695, 2730, 2814, 2860, 2940, 2948, 3003, 3185, 3234, 3283, 3484, 3685, 3822, 4004, 4020, 4290, 4355, 4422, 4620, 4690, 5005, 5159, 5226, 5390, 5460, 5628, 6006, 6097, 6370, 6468, 6566, 7007, 7035, 7370, 7644, 8085, 8580, 8710, 8844, 9380, 9555, 9581, 9849, 10010, 10318, 10452, 10780, 11055, 12012, 12194, 12740, 13065, 13132, 14014, 14070, 14740, 15015, 15477, 16170, 16415, 17420, 18291, 19110, 19162, 19698, 20020, 20636, 21021, 22110, 24388, 25795, 26130, 28028, 28140, 28743, 30030, 30485, 30954, 32340, 32830, 35035, 36113, 36582, 38220, 38324, 39396, 42042, 42679, 44220, 47905, 49245, 51590, 52260, 57486, 60060, 60970, 61908, 65660, 67067, 70070, 72226, 73164, 77385, 84084, 85358, 91455, 95810, 98490, 103180, 105105, 108339, 114972, 121940, 128037, 134134, 140140, 143715, 144452, 154770, 170716, 180565, 182910, 191620, 196980, 201201, 210210, 213395, 216678, 256074, 268268, 287430, 309540, 335335, 361130, 365820, 402402, 420420, 426790, 433356, 469469, 512148, 541695, 574860, 640185, 670670, 722260, 804804, 853580, 938938, 1006005, 1083390, 1280370, 1341340, 1408407, 1877876, 2012010, 2166780, 2347345, 2560740, 2816814, 4024020, 4694690, 5633628, 7042035, 9389380, 14084070, 28168140]

約数ペア:

[(1, 28168140), (2, 14084070), (3, 9389380), (4, 7042035), (5, 5633628), (6, 4694690), (7, 4024020), (10, 2816814), (11, 2560740), (12, 2347345), (13, 2166780), (14, 2012010), (15, 1877876), (20, 1408407), (21, 1341340), (22, 1280370), (26, 1083390), (28, 1006005), (30, 938938), (33, 853580), (35, 804804), (39, 722260), (42, 670670), (44, 640185), (49, 574860), (52, 541695), (55, 512148), (60, 469469), (65, 433356), (66, 426790), (67, 420420), (70, 402402), (77, 365820), (78, 361130), (84, 335335), (91, 309540), (98, 287430), (105, 268268), (110, 256074), (130, 216678), (132, 213395), (134, 210210), (140, 201201), (143, 196980), (147, 191620), (154, 182910), (156, 180565), (165, 170716), (182, 154770), (195, 144452), (196, 143715), (201, 140140), (210, 134134), (220, 128037), (231, 121940), (245, 114972), (260, 108339), (268, 105105), (273, 103180), (286, 98490), (294, 95810), (308, 91455), (330, 85358), (335, 84084), (364, 77385), (385, 73164), (390, 72226), (402, 70070), (420, 67067), (429, 65660), (455, 61908), (462, 60970), (469, 60060), (490, 57486), (539, 52260), (546, 51590), (572, 49245), (588, 47905), (637, 44220), (660, 42679), (670, 42042), (715, 39396), (735, 38324), (737, 38220), (770, 36582), (780, 36113), (804, 35035), (858, 32830), (871, 32340), (910, 30954), (924, 30485), (938, 30030), (980, 28743), (1001, 28140), (1005, 28028), (1078, 26130), (1092, 25795), (1155, 24388), (1274, 22110), (1340, 21021), (1365, 20636), (1407, 20020), (1430, 19698), (1470, 19162), (1474, 19110), (1540, 18291), (1617, 17420), (1716, 16415), (1742, 16170), (1820, 15477), (1876, 15015), (1911, 14740), (2002, 14070), (2010, 14014), (2145, 13132), (2156, 13065), (2211, 12740), (2310, 12194), (2345, 12012), (2548, 11055), (2613, 10780), (2695, 10452), (2730, 10318), (2814, 10010), (2860, 9849), (2940, 9581), (2948, 9555), (3003, 9380), (3185, 8844), (3234, 8710), (3283, 8580), (3484, 8085), (3685, 7644), (3822, 7370), (4004, 7035), (4020, 7007), (4290, 6566), (4355, 6468), (4422, 6370), (4620, 6097), (4690, 6006), (5005, 5628), (5159, 5460), (5226, 5390)]