721207728

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{10159}}^1$

素因数の和:10219

約数の個数: 120

約数和(自身を含む): 2211019200

約数和(自身を除く): 1489811472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 29, 34, 36, 48, 51, 58, 68, 72, 87, 102, 116, 136, 144, 153, 174, 204, 232, 261, 272, 306, 348, 408, 464, 493, 522, 612, 696, 816, 986, 1044, 1224, 1392, 1479, 1972, 2088, 2448, 2958, 3944, 4176, 4437, 5916, 7888, 8874, 10159, 11832, 17748, 20318, 23664, 30477, 35496, 40636, 60954, 70992, 81272, 91431, 121908, 162544, 172703, 182862, 243816, 294611, 345406, 365724, 487632, 518109, 589222, 690812, 731448, 883833, 1036218, 1178444, 1381624, 1462896, 1554327, 1767666, 2072436, 2356888, 2651499, 2763248, 3108654, 3535332, 4144872, 4713776, 5008387, 5302998, 6217308, 7070664, 8289744, 10016774, 10605996, 12434616, 14141328, 15025161, 20033548, 21211992, 24869232, 30050322, 40067096, 42423984, 45075483, 60100644, 80134192, 90150966, 120201288, 180301932, 240402576, 360603864, 721207728]

約数ペア:

[(1, 721207728), (2, 360603864), (3, 240402576), (4, 180301932), (6, 120201288), (8, 90150966), (9, 80134192), (12, 60100644), (16, 45075483), (17, 42423984), (18, 40067096), (24, 30050322), (29, 24869232), (34, 21211992), (36, 20033548), (48, 15025161), (51, 14141328), (58, 12434616), (68, 10605996), (72, 10016774), (87, 8289744), (102, 7070664), (116, 6217308), (136, 5302998), (144, 5008387), (153, 4713776), (174, 4144872), (204, 3535332), (232, 3108654), (261, 2763248), (272, 2651499), (306, 2356888), (348, 2072436), (408, 1767666), (464, 1554327), (493, 1462896), (522, 1381624), (612, 1178444), (696, 1036218), (816, 883833), (986, 731448), (1044, 690812), (1224, 589222), (1392, 518109), (1479, 487632), (1972, 365724), (2088, 345406), (2448, 294611), (2958, 243816), (3944, 182862), (4176, 172703), (4437, 162544), (5916, 121908), (7888, 91431), (8874, 81272), (10159, 70992), (11832, 60954), (17748, 40636), (20318, 35496), (23664, 30477)]