28885320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 192

約数和(自身を含む): 102211200

約数和(自身を除く): 73325880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 41, 45, 57, 60, 72, 76, 82, 90, 95, 103, 114, 120, 123, 152, 164, 171, 180, 190, 205, 206, 228, 246, 285, 309, 328, 342, 360, 369, 380, 410, 412, 456, 492, 515, 570, 615, 618, 684, 738, 760, 779, 820, 824, 855, 927, 984, 1030, 1140, 1230, 1236, 1368, 1476, 1545, 1558, 1640, 1710, 1845, 1854, 1957, 2060, 2280, 2337, 2460, 2472, 2952, 3090, 3116, 3420, 3690, 3708, 3895, 3914, 4120, 4223, 4635, 4674, 4920, 5871, 6180, 6232, 6840, 7011, 7380, 7416, 7790, 7828, 8446, 9270, 9348, 9785, 11685, 11742, 12360, 12669, 14022, 14760, 15580, 15656, 16892, 17613, 18540, 18696, 19570, 21115, 23370, 23484, 25338, 28044, 29355, 31160, 33784, 35055, 35226, 37080, 38007, 39140, 42230, 46740, 46968, 50676, 56088, 58710, 63345, 70110, 70452, 76014, 78280, 80237, 84460, 88065, 93480, 101352, 117420, 126690, 140220, 140904, 152028, 160474, 168920, 176130, 190035, 234840, 240711, 253380, 280440, 304056, 320948, 352260, 380070, 401185, 481422, 506760, 641896, 704520, 722133, 760140, 802370, 962844, 1203555, 1444266, 1520280, 1604740, 1925688, 2407110, 2888532, 3209480, 3610665, 4814220, 5777064, 7221330, 9628440, 14442660, 28885320]

約数ペア:

[(1, 28885320), (2, 14442660), (3, 9628440), (4, 7221330), (5, 5777064), (6, 4814220), (8, 3610665), (9, 3209480), (10, 2888532), (12, 2407110), (15, 1925688), (18, 1604740), (19, 1520280), (20, 1444266), (24, 1203555), (30, 962844), (36, 802370), (38, 760140), (40, 722133), (41, 704520), (45, 641896), (57, 506760), (60, 481422), (72, 401185), (76, 380070), (82, 352260), (90, 320948), (95, 304056), (103, 280440), (114, 253380), (120, 240711), (123, 234840), (152, 190035), (164, 176130), (171, 168920), (180, 160474), (190, 152028), (205, 140904), (206, 140220), (228, 126690), (246, 117420), (285, 101352), (309, 93480), (328, 88065), (342, 84460), (360, 80237), (369, 78280), (380, 76014), (410, 70452), (412, 70110), (456, 63345), (492, 58710), (515, 56088), (570, 50676), (615, 46968), (618, 46740), (684, 42230), (738, 39140), (760, 38007), (779, 37080), (820, 35226), (824, 35055), (855, 33784), (927, 31160), (984, 29355), (1030, 28044), (1140, 25338), (1230, 23484), (1236, 23370), (1368, 21115), (1476, 19570), (1545, 18696), (1558, 18540), (1640, 17613), (1710, 16892), (1845, 15656), (1854, 15580), (1957, 14760), (2060, 14022), (2280, 12669), (2337, 12360), (2460, 11742), (2472, 11685), (2952, 9785), (3090, 9348), (3116, 9270), (3420, 8446), (3690, 7828), (3708, 7790), (3895, 7416), (3914, 7380), (4120, 7011), (4223, 6840), (4635, 6232), (4674, 6180), (4920, 5871)]