90401920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1187}}^1$

素因数の和:1230

約数の個数: 128

約数和(自身を含む): 261740160

約数和(自身を除く): 171338240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1187, 1190, 1360, 1904, 2176, 2240, 2374, 2380, 2720, 3808, 4480, 4748, 4760, 5440, 5935, 7616, 8309, 9496, 9520, 10880, 11870, 15232, 16618, 18992, 19040, 20179, 23740, 33236, 37984, 38080, 40358, 41545, 47480, 66472, 75968, 76160, 80716, 83090, 94960, 100895, 132944, 141253, 151936, 161432, 166180, 189920, 201790, 265888, 282506, 322864, 332360, 379840, 403580, 531776, 565012, 645728, 664720, 706265, 759680, 807160, 1063552, 1130024, 1291456, 1329440, 1412530, 1614320, 2260048, 2582912, 2658880, 2825060, 3228640, 4520096, 5317760, 5650120, 6457280, 9040192, 11300240, 12914560, 18080384, 22600480, 45200960, 90401920]

約数ペア:

[(1, 90401920), (2, 45200960), (4, 22600480), (5, 18080384), (7, 12914560), (8, 11300240), (10, 9040192), (14, 6457280), (16, 5650120), (17, 5317760), (20, 4520096), (28, 3228640), (32, 2825060), (34, 2658880), (35, 2582912), (40, 2260048), (56, 1614320), (64, 1412530), (68, 1329440), (70, 1291456), (80, 1130024), (85, 1063552), (112, 807160), (119, 759680), (128, 706265), (136, 664720), (140, 645728), (160, 565012), (170, 531776), (224, 403580), (238, 379840), (272, 332360), (280, 322864), (320, 282506), (340, 265888), (448, 201790), (476, 189920), (544, 166180), (560, 161432), (595, 151936), (640, 141253), (680, 132944), (896, 100895), (952, 94960), (1088, 83090), (1120, 80716), (1187, 76160), (1190, 75968), (1360, 66472), (1904, 47480), (2176, 41545), (2240, 40358), (2374, 38080), (2380, 37984), (2720, 33236), (3808, 23740), (4480, 20179), (4748, 19040), (4760, 18992), (5440, 16618), (5935, 15232), (7616, 11870), (8309, 10880), (9496, 9520)]