28645920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:392

約数の個数: 192

約数和(自身を含む): 105840000

約数和(自身を除く): 77194080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 349, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 698, 720, 760, 855, 864, 912, 1026, 1047, 1080, 1140, 1368, 1396, 1440, 1520, 1710, 1745, 1824, 2052, 2094, 2160, 2280, 2565, 2736, 2792, 3040, 3141, 3420, 3490, 4104, 4188, 4320, 4560, 5130, 5235, 5472, 5584, 6282, 6631, 6840, 6980, 8208, 8376, 9120, 9423, 10260, 10470, 11168, 12564, 13262, 13680, 13960, 15705, 16416, 16752, 18846, 19893, 20520, 20940, 25128, 26524, 27360, 27920, 31410, 33155, 33504, 37692, 39786, 41040, 41880, 47115, 50256, 53048, 55840, 59679, 62820, 66310, 75384, 79572, 82080, 83760, 94230, 99465, 100512, 106096, 119358, 125640, 132620, 150768, 159144, 167520, 179037, 188460, 198930, 212192, 238716, 251280, 265240, 298395, 301536, 318288, 358074, 376920, 397860, 477432, 502560, 530480, 596790, 636576, 716148, 753840, 795720, 895185, 954864, 1060960, 1193580, 1432296, 1507680, 1591440, 1790370, 1909728, 2387160, 2864592, 3182880, 3580740, 4774320, 5729184, 7161480, 9548640, 14322960, 28645920]

約数ペア:

[(1, 28645920), (2, 14322960), (3, 9548640), (4, 7161480), (5, 5729184), (6, 4774320), (8, 3580740), (9, 3182880), (10, 2864592), (12, 2387160), (15, 1909728), (16, 1790370), (18, 1591440), (19, 1507680), (20, 1432296), (24, 1193580), (27, 1060960), (30, 954864), (32, 895185), (36, 795720), (38, 753840), (40, 716148), (45, 636576), (48, 596790), (54, 530480), (57, 502560), (60, 477432), (72, 397860), (76, 376920), (80, 358074), (90, 318288), (95, 301536), (96, 298395), (108, 265240), (114, 251280), (120, 238716), (135, 212192), (144, 198930), (152, 188460), (160, 179037), (171, 167520), (180, 159144), (190, 150768), (216, 132620), (228, 125640), (240, 119358), (270, 106096), (285, 100512), (288, 99465), (304, 94230), (342, 83760), (349, 82080), (360, 79572), (380, 75384), (432, 66310), (456, 62820), (480, 59679), (513, 55840), (540, 53048), (570, 50256), (608, 47115), (684, 41880), (698, 41040), (720, 39786), (760, 37692), (855, 33504), (864, 33155), (912, 31410), (1026, 27920), (1047, 27360), (1080, 26524), (1140, 25128), (1368, 20940), (1396, 20520), (1440, 19893), (1520, 18846), (1710, 16752), (1745, 16416), (1824, 15705), (2052, 13960), (2094, 13680), (2160, 13262), (2280, 12564), (2565, 11168), (2736, 10470), (2792, 10260), (3040, 9423), (3141, 9120), (3420, 8376), (3490, 8208), (4104, 6980), (4188, 6840), (4320, 6631), (4560, 6282), (5130, 5584), (5235, 5472)]