28168320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{863}}^1$

素因数の和:902

約数の個数: 128

約数和(自身を含む): 95178240

約数和(自身を除く): 67009920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 816, 863, 960, 1020, 1088, 1360, 1632, 1726, 1920, 2040, 2176, 2589, 2720, 3264, 3452, 4080, 4315, 5178, 5440, 6528, 6904, 8160, 8630, 10356, 10880, 12945, 13808, 14671, 16320, 17260, 20712, 25890, 27616, 29342, 32640, 34520, 41424, 44013, 51780, 55232, 58684, 69040, 73355, 82848, 88026, 103560, 110464, 117368, 138080, 146710, 165696, 176052, 207120, 220065, 234736, 276160, 293420, 331392, 352104, 414240, 440130, 469472, 552320, 586840, 704208, 828480, 880260, 938944, 1173680, 1408416, 1656960, 1760520, 1877888, 2347360, 2816832, 3521040, 4694720, 5633664, 7042080, 9389440, 14084160, 28168320]

約数ペア:

[(1, 28168320), (2, 14084160), (3, 9389440), (4, 7042080), (5, 5633664), (6, 4694720), (8, 3521040), (10, 2816832), (12, 2347360), (15, 1877888), (16, 1760520), (17, 1656960), (20, 1408416), (24, 1173680), (30, 938944), (32, 880260), (34, 828480), (40, 704208), (48, 586840), (51, 552320), (60, 469472), (64, 440130), (68, 414240), (80, 352104), (85, 331392), (96, 293420), (102, 276160), (120, 234736), (128, 220065), (136, 207120), (160, 176052), (170, 165696), (192, 146710), (204, 138080), (240, 117368), (255, 110464), (272, 103560), (320, 88026), (340, 82848), (384, 73355), (408, 69040), (480, 58684), (510, 55232), (544, 51780), (640, 44013), (680, 41424), (816, 34520), (863, 32640), (960, 29342), (1020, 27616), (1088, 25890), (1360, 20712), (1632, 17260), (1726, 16320), (1920, 14671), (2040, 13808), (2176, 12945), (2589, 10880), (2720, 10356), (3264, 8630), (3452, 8160), (4080, 6904), (4315, 6528), (5178, 5440)]