90997760

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{2539}}^1$

素因数の和:2571

約数の個数: 88

約数和(自身を含む): 249570240

約数和(自身を除く): 158572480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 2240, 2539, 2560, 3584, 4480, 5078, 5120, 7168, 8960, 10156, 12695, 17773, 17920, 20312, 25390, 35546, 35840, 40624, 50780, 71092, 81248, 88865, 101560, 142184, 162496, 177730, 203120, 284368, 324992, 355460, 406240, 568736, 649984, 710920, 812480, 1137472, 1299968, 1421840, 1624960, 2274944, 2599936, 2843680, 3249920, 4549888, 5687360, 6499840, 9099776, 11374720, 12999680, 18199552, 22749440, 45498880, 90997760]

約数ペア:

[(1, 90997760), (2, 45498880), (4, 22749440), (5, 18199552), (7, 12999680), (8, 11374720), (10, 9099776), (14, 6499840), (16, 5687360), (20, 4549888), (28, 3249920), (32, 2843680), (35, 2599936), (40, 2274944), (56, 1624960), (64, 1421840), (70, 1299968), (80, 1137472), (112, 812480), (128, 710920), (140, 649984), (160, 568736), (224, 406240), (256, 355460), (280, 324992), (320, 284368), (448, 203120), (512, 177730), (560, 162496), (640, 142184), (896, 101560), (1024, 88865), (1120, 81248), (1280, 71092), (1792, 50780), (2240, 40624), (2539, 35840), (2560, 35546), (3584, 25390), (4480, 20312), (5078, 17920), (5120, 17773), (7168, 12695), (8960, 10156)]