28232820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1$

素因数の和:140

約数の個数: 288

約数和(自身を含む): 112613760

約数和(自身を除く): 84380940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 49, 54, 55, 60, 63, 66, 70, 77, 84, 90, 97, 98, 99, 105, 108, 110, 126, 132, 135, 140, 147, 154, 165, 180, 189, 194, 196, 198, 210, 220, 231, 245, 252, 270, 291, 294, 297, 308, 315, 330, 378, 385, 388, 396, 420, 441, 462, 485, 490, 495, 539, 540, 582, 588, 594, 630, 660, 679, 693, 735, 756, 770, 873, 882, 924, 945, 970, 980, 990, 1067, 1078, 1155, 1164, 1188, 1260, 1323, 1358, 1386, 1455, 1470, 1485, 1540, 1617, 1746, 1764, 1890, 1940, 1980, 2037, 2079, 2134, 2156, 2205, 2310, 2619, 2646, 2695, 2716, 2772, 2910, 2940, 2970, 3201, 3234, 3395, 3465, 3492, 3780, 4074, 4158, 4268, 4365, 4410, 4620, 4753, 4851, 5238, 5292, 5335, 5390, 5820, 5940, 6111, 6402, 6468, 6615, 6790, 6930, 7469, 8085, 8148, 8316, 8730, 8820, 9506, 9603, 9702, 10185, 10395, 10476, 10670, 10780, 12222, 12804, 13095, 13230, 13580, 13860, 14259, 14553, 14938, 16005, 16170, 17460, 18333, 19012, 19206, 19404, 20370, 20790, 21340, 22407, 23765, 24255, 24444, 26190, 26460, 28518, 28809, 29106, 29876, 30555, 32010, 32340, 36666, 37345, 38412, 40740, 41580, 42777, 44814, 47530, 48015, 48510, 52283, 52380, 57036, 57618, 58212, 61110, 64020, 67221, 71295, 72765, 73332, 74690, 85554, 89628, 91665, 95060, 96030, 97020, 104566, 112035, 115236, 122220, 128331, 134442, 142590, 144045, 145530, 149380, 156849, 171108, 183330, 192060, 201663, 209132, 213885, 224070, 256662, 261415, 268884, 285180, 288090, 291060, 313698, 336105, 366660, 403326, 427770, 448140, 470547, 513324, 522830, 576180, 627396, 641655, 672210, 784245, 806652, 855540, 941094, 1008315, 1045660, 1283310, 1344420, 1411641, 1568490, 1882188, 2016630, 2352735, 2566620, 2823282, 3136980, 4033260, 4705470, 5646564, 7058205, 9410940, 14116410, 28232820]

約数ペア:

[(1, 28232820), (2, 14116410), (3, 9410940), (4, 7058205), (5, 5646564), (6, 4705470), (7, 4033260), (9, 3136980), (10, 2823282), (11, 2566620), (12, 2352735), (14, 2016630), (15, 1882188), (18, 1568490), (20, 1411641), (21, 1344420), (22, 1283310), (27, 1045660), (28, 1008315), (30, 941094), (33, 855540), (35, 806652), (36, 784245), (42, 672210), (44, 641655), (45, 627396), (49, 576180), (54, 522830), (55, 513324), (60, 470547), (63, 448140), (66, 427770), (70, 403326), (77, 366660), (84, 336105), (90, 313698), (97, 291060), (98, 288090), (99, 285180), (105, 268884), (108, 261415), (110, 256662), (126, 224070), (132, 213885), (135, 209132), (140, 201663), (147, 192060), (154, 183330), (165, 171108), (180, 156849), (189, 149380), (194, 145530), (196, 144045), (198, 142590), (210, 134442), (220, 128331), (231, 122220), (245, 115236), (252, 112035), (270, 104566), (291, 97020), (294, 96030), (297, 95060), (308, 91665), (315, 89628), (330, 85554), (378, 74690), (385, 73332), (388, 72765), (396, 71295), (420, 67221), (441, 64020), (462, 61110), (485, 58212), (490, 57618), (495, 57036), (539, 52380), (540, 52283), (582, 48510), (588, 48015), (594, 47530), (630, 44814), (660, 42777), (679, 41580), (693, 40740), (735, 38412), (756, 37345), (770, 36666), (873, 32340), (882, 32010), (924, 30555), (945, 29876), (970, 29106), (980, 28809), (990, 28518), (1067, 26460), (1078, 26190), (1155, 24444), (1164, 24255), (1188, 23765), (1260, 22407), (1323, 21340), (1358, 20790), (1386, 20370), (1455, 19404), (1470, 19206), (1485, 19012), (1540, 18333), (1617, 17460), (1746, 16170), (1764, 16005), (1890, 14938), (1940, 14553), (1980, 14259), (2037, 13860), (2079, 13580), (2134, 13230), (2156, 13095), (2205, 12804), (2310, 12222), (2619, 10780), (2646, 10670), (2695, 10476), (2716, 10395), (2772, 10185), (2910, 9702), (2940, 9603), (2970, 9506), (3201, 8820), (3234, 8730), (3395, 8316), (3465, 8148), (3492, 8085), (3780, 7469), (4074, 6930), (4158, 6790), (4268, 6615), (4365, 6468), (4410, 6402), (4620, 6111), (4753, 5940), (4851, 5820), (5238, 5390), (5292, 5335)]