28383840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1$

素因数の和:901

約数の個数: 144

約数和(自身を含む): 101189088

約数和(自身を除く): 72805248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 552, 690, 720, 736, 828, 857, 920, 1035, 1104, 1380, 1440, 1656, 1714, 1840, 2070, 2208, 2571, 2760, 3312, 3428, 3680, 4140, 4285, 5142, 5520, 6624, 6856, 7713, 8280, 8570, 10284, 11040, 12855, 13712, 15426, 16560, 17140, 19711, 20568, 25710, 27424, 30852, 33120, 34280, 38565, 39422, 41136, 51420, 59133, 61704, 68560, 77130, 78844, 82272, 98555, 102840, 118266, 123408, 137120, 154260, 157688, 177399, 197110, 205680, 236532, 246816, 295665, 308520, 315376, 354798, 394220, 411360, 473064, 591330, 617040, 630752, 709596, 788440, 886995, 946128, 1182660, 1234080, 1419192, 1576880, 1773990, 1892256, 2365320, 2838384, 3153760, 3547980, 4730640, 5676768, 7095960, 9461280, 14191920, 28383840]

約数ペア:

[(1, 28383840), (2, 14191920), (3, 9461280), (4, 7095960), (5, 5676768), (6, 4730640), (8, 3547980), (9, 3153760), (10, 2838384), (12, 2365320), (15, 1892256), (16, 1773990), (18, 1576880), (20, 1419192), (23, 1234080), (24, 1182660), (30, 946128), (32, 886995), (36, 788440), (40, 709596), (45, 630752), (46, 617040), (48, 591330), (60, 473064), (69, 411360), (72, 394220), (80, 354798), (90, 315376), (92, 308520), (96, 295665), (115, 246816), (120, 236532), (138, 205680), (144, 197110), (160, 177399), (180, 157688), (184, 154260), (207, 137120), (230, 123408), (240, 118266), (276, 102840), (288, 98555), (345, 82272), (360, 78844), (368, 77130), (414, 68560), (460, 61704), (480, 59133), (552, 51420), (690, 41136), (720, 39422), (736, 38565), (828, 34280), (857, 33120), (920, 30852), (1035, 27424), (1104, 25710), (1380, 20568), (1440, 19711), (1656, 17140), (1714, 16560), (1840, 15426), (2070, 13712), (2208, 12855), (2571, 11040), (2760, 10284), (3312, 8570), (3428, 8280), (3680, 7713), (4140, 6856), (4285, 6624), (5142, 5520)]