28327860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:299

約数の個数: 192

約数和(自身を含む): 101606400

約数和(自身を除く): 73278540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 27, 30, 33, 36, 38, 44, 45, 54, 55, 57, 60, 66, 76, 90, 95, 99, 108, 110, 114, 132, 135, 165, 171, 180, 190, 198, 209, 220, 228, 251, 270, 285, 297, 330, 342, 380, 396, 418, 495, 502, 513, 540, 570, 594, 627, 660, 684, 753, 836, 855, 990, 1004, 1026, 1045, 1140, 1188, 1254, 1255, 1485, 1506, 1710, 1881, 1980, 2052, 2090, 2259, 2508, 2510, 2565, 2761, 2970, 3012, 3135, 3420, 3762, 3765, 4180, 4518, 4769, 5020, 5130, 5522, 5643, 5940, 6270, 6777, 7524, 7530, 8283, 9036, 9405, 9538, 10260, 11044, 11286, 11295, 12540, 13554, 13805, 14307, 15060, 16566, 18810, 19076, 22572, 22590, 23845, 24849, 27108, 27610, 28215, 28614, 33132, 33885, 37620, 41415, 42921, 45180, 47690, 49698, 52459, 55220, 56430, 57228, 67770, 71535, 74547, 82830, 85842, 95380, 99396, 104918, 112860, 124245, 128763, 135540, 143070, 149094, 157377, 165660, 171684, 209836, 214605, 248490, 257526, 262295, 286140, 298188, 314754, 372735, 429210, 472131, 496980, 515052, 524590, 629508, 643815, 745470, 786885, 858420, 944262, 1049180, 1287630, 1416393, 1490940, 1573770, 1888524, 2360655, 2575260, 2832786, 3147540, 4721310, 5665572, 7081965, 9442620, 14163930, 28327860]

約数ペア:

[(1, 28327860), (2, 14163930), (3, 9442620), (4, 7081965), (5, 5665572), (6, 4721310), (9, 3147540), (10, 2832786), (11, 2575260), (12, 2360655), (15, 1888524), (18, 1573770), (19, 1490940), (20, 1416393), (22, 1287630), (27, 1049180), (30, 944262), (33, 858420), (36, 786885), (38, 745470), (44, 643815), (45, 629508), (54, 524590), (55, 515052), (57, 496980), (60, 472131), (66, 429210), (76, 372735), (90, 314754), (95, 298188), (99, 286140), (108, 262295), (110, 257526), (114, 248490), (132, 214605), (135, 209836), (165, 171684), (171, 165660), (180, 157377), (190, 149094), (198, 143070), (209, 135540), (220, 128763), (228, 124245), (251, 112860), (270, 104918), (285, 99396), (297, 95380), (330, 85842), (342, 82830), (380, 74547), (396, 71535), (418, 67770), (495, 57228), (502, 56430), (513, 55220), (540, 52459), (570, 49698), (594, 47690), (627, 45180), (660, 42921), (684, 41415), (753, 37620), (836, 33885), (855, 33132), (990, 28614), (1004, 28215), (1026, 27610), (1045, 27108), (1140, 24849), (1188, 23845), (1254, 22590), (1255, 22572), (1485, 19076), (1506, 18810), (1710, 16566), (1881, 15060), (1980, 14307), (2052, 13805), (2090, 13554), (2259, 12540), (2508, 11295), (2510, 11286), (2565, 11044), (2761, 10260), (2970, 9538), (3012, 9405), (3135, 9036), (3420, 8283), (3762, 7530), (3765, 7524), (4180, 6777), (4518, 6270), (4769, 5940), (5020, 5643), (5130, 5522)]