720439552

素因数分解:

$2^8\times 7^2\times {\mathrm{79}}^1\times {\mathrm{727}}^1$

素因数の和:836

約数の個数: 108

約数和(自身を含む): 1696356480

約数和(自身を除く): 975916928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 79, 98, 112, 128, 158, 196, 224, 256, 316, 392, 448, 553, 632, 727, 784, 896, 1106, 1264, 1454, 1568, 1792, 2212, 2528, 2908, 3136, 3871, 4424, 5056, 5089, 5816, 6272, 7742, 8848, 10112, 10178, 11632, 12544, 15484, 17696, 20224, 20356, 23264, 30968, 35392, 35623, 40712, 46528, 57433, 61936, 70784, 71246, 81424, 93056, 114866, 123872, 141568, 142492, 162848, 186112, 229732, 247744, 284984, 325696, 402031, 459464, 495488, 569968, 651392, 804062, 918928, 990976, 1139936, 1302784, 1608124, 1837856, 2279872, 2814217, 3216248, 3675712, 4559744, 5628434, 6432496, 7351424, 9119488, 11256868, 12864992, 14702848, 22513736, 25729984, 45027472, 51459968, 90054944, 102919936, 180109888, 360219776, 720439552]

約数ペア:

[(1, 720439552), (2, 360219776), (4, 180109888), (7, 102919936), (8, 90054944), (14, 51459968), (16, 45027472), (28, 25729984), (32, 22513736), (49, 14702848), (56, 12864992), (64, 11256868), (79, 9119488), (98, 7351424), (112, 6432496), (128, 5628434), (158, 4559744), (196, 3675712), (224, 3216248), (256, 2814217), (316, 2279872), (392, 1837856), (448, 1608124), (553, 1302784), (632, 1139936), (727, 990976), (784, 918928), (896, 804062), (1106, 651392), (1264, 569968), (1454, 495488), (1568, 459464), (1792, 402031), (2212, 325696), (2528, 284984), (2908, 247744), (3136, 229732), (3871, 186112), (4424, 162848), (5056, 142492), (5089, 141568), (5816, 123872), (6272, 114866), (7742, 93056), (8848, 81424), (10112, 71246), (10178, 70784), (11632, 61936), (12544, 57433), (15484, 46528), (17696, 40712), (20224, 35623), (20356, 35392), (23264, 30968)]