28504320

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:608

約数の個数: 144

約数和(自身を含む): 98210112

約数和(自身を除く): 69705792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 520, 571, 624, 640, 768, 780, 832, 960, 1040, 1142, 1248, 1280, 1560, 1664, 1713, 1920, 2080, 2284, 2496, 2855, 3120, 3328, 3426, 3840, 4160, 4568, 4992, 5710, 6240, 6852, 7423, 8320, 8565, 9136, 9984, 11420, 12480, 13704, 14846, 16640, 17130, 18272, 22269, 22840, 24960, 27408, 29692, 34260, 36544, 37115, 44538, 45680, 49920, 54816, 59384, 68520, 73088, 74230, 89076, 91360, 109632, 111345, 118768, 137040, 146176, 148460, 178152, 182720, 219264, 222690, 237536, 274080, 296920, 356304, 365440, 438528, 445380, 475072, 548160, 593840, 712608, 730880, 890760, 950144, 1096320, 1187680, 1425216, 1781520, 1900288, 2192640, 2375360, 2850432, 3563040, 4750720, 5700864, 7126080, 9501440, 14252160, 28504320]

約数ペア:

[(1, 28504320), (2, 14252160), (3, 9501440), (4, 7126080), (5, 5700864), (6, 4750720), (8, 3563040), (10, 2850432), (12, 2375360), (13, 2192640), (15, 1900288), (16, 1781520), (20, 1425216), (24, 1187680), (26, 1096320), (30, 950144), (32, 890760), (39, 730880), (40, 712608), (48, 593840), (52, 548160), (60, 475072), (64, 445380), (65, 438528), (78, 365440), (80, 356304), (96, 296920), (104, 274080), (120, 237536), (128, 222690), (130, 219264), (156, 182720), (160, 178152), (192, 148460), (195, 146176), (208, 137040), (240, 118768), (256, 111345), (260, 109632), (312, 91360), (320, 89076), (384, 74230), (390, 73088), (416, 68520), (480, 59384), (520, 54816), (571, 49920), (624, 45680), (640, 44538), (768, 37115), (780, 36544), (832, 34260), (960, 29692), (1040, 27408), (1142, 24960), (1248, 22840), (1280, 22269), (1560, 18272), (1664, 17130), (1713, 16640), (1920, 14846), (2080, 13704), (2284, 12480), (2496, 11420), (2855, 9984), (3120, 9136), (3328, 8565), (3426, 8320), (3840, 7423), (4160, 6852), (4568, 6240), (4992, 5710)]