280859616

素因数分解:

$2^5\times 3^3\times {\mathrm{61}}^1\times {\mathrm{73}}^2$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 844164720

約数和(自身を除く): 563305104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 61, 72, 73, 96, 108, 122, 144, 146, 183, 216, 219, 244, 288, 292, 366, 432, 438, 488, 549, 584, 657, 732, 864, 876, 976, 1098, 1168, 1314, 1464, 1647, 1752, 1952, 1971, 2196, 2336, 2628, 2928, 3294, 3504, 3942, 4392, 4453, 5256, 5329, 5856, 6588, 7008, 7884, 8784, 8906, 10512, 10658, 13176, 13359, 15768, 15987, 17568, 17812, 21024, 21316, 26352, 26718, 31536, 31974, 35624, 40077, 42632, 47961, 52704, 53436, 63072, 63948, 71248, 80154, 85264, 95922, 106872, 120231, 127896, 142496, 143883, 160308, 170528, 191844, 213744, 240462, 255792, 287766, 320616, 325069, 383688, 427488, 480924, 511584, 575532, 641232, 650138, 767376, 961848, 975207, 1151064, 1282464, 1300276, 1534752, 1923696, 1950414, 2302128, 2600552, 2925621, 3847392, 3900828, 4604256, 5201104, 5851242, 7801656, 8776863, 10402208, 11702484, 15603312, 17553726, 23404968, 31206624, 35107452, 46809936, 70214904, 93619872, 140429808, 280859616]

約数ペア:

[(1, 280859616), (2, 140429808), (3, 93619872), (4, 70214904), (6, 46809936), (8, 35107452), (9, 31206624), (12, 23404968), (16, 17553726), (18, 15603312), (24, 11702484), (27, 10402208), (32, 8776863), (36, 7801656), (48, 5851242), (54, 5201104), (61, 4604256), (72, 3900828), (73, 3847392), (96, 2925621), (108, 2600552), (122, 2302128), (144, 1950414), (146, 1923696), (183, 1534752), (216, 1300276), (219, 1282464), (244, 1151064), (288, 975207), (292, 961848), (366, 767376), (432, 650138), (438, 641232), (488, 575532), (549, 511584), (584, 480924), (657, 427488), (732, 383688), (864, 325069), (876, 320616), (976, 287766), (1098, 255792), (1168, 240462), (1314, 213744), (1464, 191844), (1647, 170528), (1752, 160308), (1952, 143883), (1971, 142496), (2196, 127896), (2336, 120231), (2628, 106872), (2928, 95922), (3294, 85264), (3504, 80154), (3942, 71248), (4392, 63948), (4453, 63072), (5256, 53436), (5329, 52704), (5856, 47961), (6588, 42632), (7008, 40077), (7884, 35624), (8784, 31974), (8906, 31536), (10512, 26718), (10658, 26352), (13176, 21316), (13359, 21024), (15768, 17812), (15987, 17568)]